Chapter 2 of 11

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ICSE Class 5 Science★ ICSE Class 5 Science · Full Year · Board: ICSE

Science — Plants, Animals, Human Body, Matter, Force & Environment

How plants GROW and make FOOD. The wonderful world of ANIMALS. Inside the HUMAN BODY — how we breathe, digest, and move. What EVERYTHING is made of (MATTER). Forces around us. And protecting our ENVIRONMENT. ICSE Class 5 Science.

⏱ 16 min readEasy difficulty✓ Free · NCERT-aligned

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Study Guide

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By the end of this chapter you'll be able to…

1State three conditions for seed germination: water, warmth, air (oxygen)
2Describe habitat adaptations: camel (desert), penguin/polar bear (polar), fish (aquatic), tiger (forest)
3Compare complete metamorphosis (butterfly: 4 stages) with incomplete (frog: 3 stages, no pupa)
4Name four functions of the skeletal system; distinguish hinge joint (elbow/knee) from ball-and-socket (shoulder/hip)
5State that muscles can only PULL, not push, and work in antagonistic pairs
6Trace the digestive system from mouth to anus, naming each organ and its function
7Describe three states of matter and four changes of state (melting, freezing, evaporation, condensation)
8Classify materials as transparent/translucent/opaque and conductor/insulator/soluble/insoluble
9Identify forces: gravity (downward), friction (opposes motion), magnetic (attracts iron); name 4 simple machines
10Construct a 4-organism food chain and explain what happens if one link breaks

💡

Why this chapter matters

Class 5 Science is the first year where 'identify' becomes 'explain'. Students must now explain WHY a camel survives in the desert (not just name it), describe HOW the digestive system works organ by organ, and distinguish COMPLETE from INCOMPLETE metamorphosis. The three states of matter with particle theory, conductor vs insulator, and food chains appear in every class from 6 to 10. The skeletal system (206 bones, hinge vs ball-and-socket joints) is directly tested in ICSE Class 9 biology.

Before you start — revise these

A 5-minute refresher here will save you 30 minutes of confusion below.

🔗

ICSE Class 3–4 Science

Plant parts, animal habitats, basic body systems, states of matter (introductory)

Science — Plants, Animals, Body, Matter & Environment

1. Plants — Growing and Making Food

Parts of a Plant

Roots: Anchor. Absorb water and minerals. Some store FOOD (carrot, radish).
Stem: Supports. Transports water UP (xylem) and food BOTH WAYS (phloem).
Leaves: The FOOD FACTORY. PHOTOSYNTHESIS: Sunlight + CO₂ + Water → Food (glucose) + Oxygen.

Seeds and Germination

A SEED contains a BABY PLANT (embryo) + stored FOOD
GERMINATION needs: WATER. WARMTH. AIR (oxygen). 'The seed coat splits. The root grows DOWN. The shoot grows UP.'

Types of Plants

Herbs: Soft, green stems. Grass, coriander.
Shrubs: Woody, branching near ground. Rose, hibiscus.
Trees: Tall, thick woody trunk. Mango, neem, banyan.
Climbers: Need SUPPORT. Money plant, grapevine.
Creepers: Spread on the GROUND. Pumpkin, watermelon.

2. Animals — How They Live and Adapt

Habitats

Habitat	Adaptations of Animals
Desert	Store water. Active at NIGHT (nocturnal). Camel: hump (fat store), long eyelashes, wide feet.
Polar	Thick FUR. Layer of FAT (blubber). Polar bear. Penguin.
Forest	Camouflage. Climbing. Tiger: stripes. Monkey: prehensile tail.
Ocean	Gills (fish). Streamlined body. Blowhole (whale, dolphin).

Classification by What They Eat

Herbivores (plant-eaters): Cow, deer, rabbit.
Carnivores (meat-eaters): Lion, tiger, eagle.
Omnivores (both): Human, bear, crow.

Life Cycles

Butterfly: Egg → Caterpillar (larva) → Pupa (chrysalis) → Adult butterfly. 'METAMORPHOSIS — a complete transformation.'
Frog: Egg → Tadpole → Froglet → Adult frog.

3. The Human Body

The Skeletal System

206 BONES in the adult human body. Functions: SUPPORT. PROTECTION (skull protects brain. Rib cage protects heart/lungs). MOVEMENT (with muscles). PRODUCES BLOOD CELLS (bone marrow).
Joints: HINGE (elbow, knee — one direction). BALL and SOCKET (shoulder, hip — all directions).
Muscles pull on bones to create movement. 'Muscles can only PULL — they cannot push. That's why they work in PAIRS.'

The Respiratory System

Nose → Windpipe (Trachea) → LUNGS. In the lungs: tiny air sacs called ALVEOLI — oxygen passes into the blood. 'We breathe to get OXYGEN for our cells — and to remove CARBON DIOXIDE.'

The Digestive System

Mouth (chewing, saliva) → Food pipe (oesophagus) → Stomach (churning, acid) → Small intestine (digestion finishes, nutrients absorbed into blood) → Large intestine (water absorbed) → Waste expelled.

Teeth

Incisors (front — cutting). Canines (sharp — tearing). Premolars and Molars (flat — grinding). 'Take care of your teeth. Brush twice a day!'

4. Matter and Materials

States of Matter

Solid: Fixed shape. Fixed volume. Particles tightly packed.
Liquid: Takes shape of container. Fixed volume. Particles loosely packed.
Gas: Fills ALL available space. No fixed shape or volume. Particles very loose.

Changes of State

Melting (solid → liquid — heat). Freezing (liquid → solid — cold). Evaporation (liquid → gas). Condensation (gas → liquid).

Materials Around Us

Transparent (light passes — glass). Translucent (some light — frosted glass). Opaque (no light — wood).
Conductors (let heat/electricity pass — metals). Insulators (do not — wood, plastic, rubber).
Soluble (dissolves in water — salt, sugar). Insoluble (does not dissolve — sand, oil).

5. Force, Work and Energy

Force — A Push or a Pull

Gravity: Earth pulls everything DOWN.
Friction: Force that OPPOSES motion. Walking (friction between shoes and ground). Brakes on a bicycle.
Magnetic Force: Attracts iron, nickel, cobalt. Like poles REPEL. Unlike ATTRACT.

Simple Machines

Lever (see-saw, crowbar). Pulley (flagpole, well). Inclined plane (ramp). Wheel and axle.

6. Environment — Our Home

What Is the Environment?

Everything around us — living (biotic) and non-living (abiotic).

Pollution — The BIG Problem

Type	Causes	Effects
Air	Factories, vehicles, burning waste	Breathing problems, climate change
Water	Sewage, chemicals, plastic	Waterborne diseases, killed fish
Land	Litter, chemicals, mining	Soil becomes infertile

The 3 R's: REDUCE. REUSE. RECYCLE.

'Say NO to plastic bags. Plant a tree. Don't waste water. These SMALL actions by MILLIONS of children can SAVE the Earth.'

Food Chain

Sun → Grass → Grasshopper → Frog → Snake → Eagle. 'Every living thing depends on another. If ONE link breaks, the WHOLE CHAIN suffers.'

Key formulas & results

Everything you need to memorise, in one card. Screenshot this for revision.

Photosynthesis (full)

Sunlight + CO₂ + Water → Glucose (C₆H₁₂O₆) + Oxygen. Site: chloroplasts in leaves.

Plants both photosynthesize (make food) and respire (use food). Net daytime output = oxygen.

Seed Germination Conditions

Water (softens seed coat) + Warmth (activates enzymes) + Air/Oxygen (for respiration)

Light is NOT required for germination — roots grow in darkness. Soil is not strictly required either.

Complete Metamorphosis (Butterfly)

Egg → Larva (caterpillar) → Pupa (chrysalis) → Adult. 4 stages.

The pupa stage = complete transformation inside the chrysalis. Nothing from larva survives except genetic material.

Incomplete Metamorphosis (Frog)

Egg → Tadpole (larva) → Froglet → Adult Frog. 3 functional stages, no pupa.

Gradual change — tadpole slowly grows legs and loses tail. Also: grasshopper, cockroach have incomplete metamorphosis.

Skeletal System Functions

SPAM: Support + Protection + Articulation/Movement + Manufacture of blood cells (bone marrow)

Protection examples: skull → brain; ribcage → heart + lungs; vertebral column → spinal cord.

Muscles Work in Pairs (Antagonistic)

Biceps contracts → arm bends (flexion). Triceps contracts → arm straightens (extension).

Muscles can ONLY contract (pull). When one contracts, its partner relaxes. Neither can push.

Digestive System Sequence

Mouth → Oesophagus → Stomach → Small intestine → Large intestine → Rectum → Anus

Nutrients absorbed in SMALL INTESTINE via villi. Water absorbed in LARGE INTESTINE.

States of Matter

Solid: fixed shape + fixed volume. Liquid: shape of container + fixed volume. Gas: fills all available space, no fixed shape or volume.

Particle arrangement: Solid (tightly packed), Liquid (loosely packed), Gas (very spread out).

Changes of State

Melting: solid→liquid (heat). Freezing: liquid→solid (cool). Evaporation: liquid→gas (heat). Condensation: gas→liquid (cool).

Boiling vs evaporation: both are liquid→gas, but evaporation happens at any temperature (surface only); boiling = throughout at 100°C.

Food Chain Structure

Sun → Producer (plant) → Primary consumer (herbivore) → Secondary consumer (carnivore) → Tertiary consumer

Energy decreases at each level — only ~10% passes to the next trophic level.

⚠️

Common mistakes & fixes

These are the exact errors that cost students marks in board exams. Read them once, save yourself the trouble.

WATCH OUT

✗ Saying a camel's hump stores water

✓ The camel's hump stores FAT, not water. The fat provides energy during long desert journeys when food is scarce. The camel conserves water through concentrated urine, minimal sweating, and a special oval-shaped red blood cell that remains functional even when dehydrated. A thirsty camel can drink over 100 litres at once, storing water efficiently in blood plasma.

WATCH OUT

✗ Saying muscles push bones

✓ Muscles can ONLY CONTRACT (shorten) — this action PULLS the attached bone. They CANNOT actively lengthen to push. That is why muscles work in ANTAGONISTIC PAIRS: biceps pulls the forearm up (flexion); triceps pulls it down (extension). When one contracts, the other relaxes and is passively stretched.

WATCH OUT

✗ Thinking soil is required for seed germination

✓ Seeds can germinate without soil (e.g. bean sprouts grown on wet cotton wool). What germination requires is: WATER (to activate enzymes and soften the seed coat), WARMTH (comfortable temperature for enzyme activity), and AIR/OXYGEN (for cellular respiration to power the growing embryo). Soil provides these conditions outdoors but is not itself essential.

WATCH OUT

✗ Confusing a frog's life cycle with a butterfly's — saying frog has a pupa stage

✓ A frog undergoes INCOMPLETE metamorphosis — there is NO pupa (chrysalis) stage. Tadpoles gradually develop legs and lose their tails. A butterfly undergoes COMPLETE metamorphosis with FOUR distinct stages including a pupa/chrysalis where complete transformation occurs. Other complete metamorphosis insects: moth, beetle, fly. Other incomplete: grasshopper, cockroach, dragonfly.

Practice problems

Try each one yourself before tapping "Show solution". Active recall > rereading.

Q1EASY· germination-conditions

A student plants two seeds. Seed A is kept in a warm, moist pot with good air. Seed B is kept in a dry, airtight jar at room temperature. Which seed will germinate? Why won't the other one germinate?

▶ Show solution

Seed A will germinate because it has all THREE conditions: warmth (warm pot), water (moist soil), and air/oxygen (good air circulation).

Seed B will NOT germinate because it lacks TWO conditions:
(1) It is DRY — no water to soften the seed coat and activate enzymes.
(2) It is AIRTIGHT — no oxygen for cellular respiration to power the embryo's growth.

✦ Answer: Seed A germinates. Seed B fails because it has no water and no air/oxygen.

Q2EASY· metamorphosis

What type of metamorphosis does a butterfly undergo? Name the stages in order. How does a frog's development differ?

▶ Show solution

BUTTERFLY — COMPLETE METAMORPHOSIS (4 stages):
  (1) Egg (laid on a leaf)
  (2) Larva/Caterpillar (eats leaves, grows rapidly)
  (3) Pupa/Chrysalis (enclosed, complete transformation occurs)
  (4) Adult Butterfly (emerges)

FROG — INCOMPLETE METAMORPHOSIS (no pupa stage):
  (1) Egg (laid in water)
  (2) Tadpole (aquatic, breathes through gills, no legs)
  (3) Froglet (legs develop, tail shrinks)
  (4) Adult Frog (lungs + skin breathing, amphibious)

Key difference: Butterfly has a PUPA stage (complete transformation). Frog undergoes GRADUAL change with no pupal resting stage.

✦ Answer: Butterfly = complete, 4 stages (egg→caterpillar→pupa→adult). Frog = incomplete, no pupa.

Q3EASY· states-of-matter

Name the change of state in each case: (a) Ice cream melts (b) Wet clothes dry in the sun (c) Dew forms on glass (d) Water in a freezer becomes ice.

▶ Show solution

(a) Ice cream melts → MELTING (solid → liquid, heat gained)
(b) Wet clothes dry → EVAPORATION (liquid → gas, heat gained from sun)
(c) Dew on glass → CONDENSATION (water vapour/gas → liquid, heat lost; warm moist air meets cold glass surface)
(d) Water in freezer → FREEZING (liquid → solid, heat lost)

✦ Answer: (a) Melting (b) Evaporation (c) Condensation (d) Freezing.

Q4MEDIUM· digestive-system

Trace the journey of a chapati from mouth to absorption of nutrients. Name each organ and what happens there.

▶ Show solution

1. MOUTH: Teeth chew chapati (mechanical digestion). Saliva mixes in; salivary amylase begins breaking STARCH → MALTOSE (a simple sugar). A soft ball called BOLUS is formed.

2. OESOPHAGUS (food pipe): Bolus is swallowed. Muscular waves (PERISTALSIS) push it downward. No digestion here.

3. STOMACH: Bolus enters stomach. GASTRIC JUICE (hydrochloric acid + pepsin) breaks PROTEINS → PEPTIDES. Churning action mixes food. Acidic environment kills most bacteria. Food becomes semi-liquid CHYME.

4. SMALL INTESTINE: Most important step!
   - BILE from liver emulsifies fats (breaks fat globules into tiny droplets)
   - PANCREATIC JUICE digests starch, proteins, and fats further
   - INTESTINAL ENZYMES complete digestion
   - VILLI (tiny finger-like projections on the wall) ABSORB glucose, amino acids, fatty acids into blood

5. LARGE INTESTINE: Water and minerals are absorbed from the remaining material. Waste becomes more solid (FAECES).

6. RECTUM and ANUS: Waste is stored in rectum and expelled.

✦ Answer: Nutrients from the chapati are fully absorbed in the SMALL INTESTINE through villi.

Q5MEDIUM· habitat-adaptations

Explain three adaptations of a polar bear for survival in the Arctic. How are these adaptations different from a camel's desert adaptations?

▶ Show solution

POLAR BEAR — ARCTIC ADAPTATIONS:
1. THICK FUR (double layer): Dense underfur for insulation + longer guard hairs that are actually hollow for extra warmth. Keeps body heat in at −40°C temperatures.
2. LAYER OF BLUBBER (fat under skin): Up to 10 cm thick. Provides insulation when fur alone isn't enough and acts as an energy reserve when food is scarce.
3. WHITE COAT: Camouflage against white snow and ice for hunting seals. (Fun fact: polar bear fur is actually transparent/colourless — it just looks white because of light scattering.)

CAMEL — DESERT ADAPTATIONS (for contrast):
1. Hump (fat store for energy), not insulation
2. Wide feet to walk on sand without sinking
3. Long eyelashes and closeable nostrils to block sand
4. Concentrated urine and minimal sweating to conserve water

KEY DIFFERENCE: Polar bear adaptations TRAP and GENERATE heat. Camel adaptations CONSERVE water and tolerate heat.

✦ Answer: Polar bear = thick fur + blubber + white colour (for insulation and camouflage). Camel = hump + water conservation (opposite challenge: managing heat, not cold).

Q6MEDIUM· food-chains

Write a food chain: Sun → grass → grasshopper → frog → snake. What would happen if grasshoppers were wiped out by pesticides?

▶ Show solution

FOOD CHAIN:
Sun → Grass (producer) → Grasshopper (primary consumer/herbivore) → Frog (secondary consumer/carnivore) → Snake (tertiary consumer/carnivore)

IF GRASSHOPPERS WERE WIPED OUT:
1. FROGS: Their food source disappears. Frog population would CRASH (starvation).
2. SNAKES: Fewer frogs means snakes also starve. Snake population would CRASH.
3. GRASS: With no grasshoppers eating it, grass would OVERGROW. The ecosystem would be unbalanced.
4. OTHER EFFECTS: Birds and other animals that eat frogs/snakes would also be affected.

KEY PRINCIPLE: In a food chain, removing any ONE organism affects ALL organisms above and below it.

✦ Answer: Frog and snake populations crash; grass overgrows. Every link matters in a food chain.

Q7HARD· conductor-insulator-classification

Classify the following and explain WHY: iron nail, wooden stick, glass window, frosted glass, copper wire, rubber glove, salt dissolved in water, sand in water.

▶ Show solution

ELECTRICAL CONDUCTOR vs INSULATOR:
  Iron nail → CONDUCTOR (metal; free electrons carry charge easily)
  Copper wire → CONDUCTOR (best common conductor; free electrons)
  Salt dissolved in water → CONDUCTOR (ions in solution carry charge)
  Wooden stick → INSULATOR (no free charges; wood blocks electricity)
  Rubber glove → INSULATOR (rubber has no free charges; used to protect electricians)

TRANSPARENT vs TRANSLUCENT vs OPAQUE:
  Glass window → TRANSPARENT (all light passes; you can see through clearly)
  Frosted glass → TRANSLUCENT (some light passes; you see light but not clear images)
  Wooden stick → OPAQUE (no light passes; casts a full shadow)

SOLUBLE vs INSOLUBLE IN WATER:
  Salt dissolved in water → SOLUBLE (salt dissolves completely; forms a solution)
  Sand in water → INSOLUBLE (sand does not dissolve; settles at the bottom)

✦ Answer: Conductors: iron nail, copper wire, salt water. Insulators: wood, rubber. Transparent: glass. Translucent: frosted glass. Opaque: wood. Soluble: salt. Insoluble: sand.

5-minute revision

The whole chapter, distilled. Read this the night before the exam.

•Seed germination needs 3 things: Water + Warmth + Air (oxygen). NOT light and NOT soil.
•Camel's hump = FAT (not water). Fat is an energy store, not a water tank.
•Complete metamorphosis (butterfly): Egg→Larva→PUPA→Adult. Incomplete (frog): Egg→Tadpole→Froglet→Adult (no pupa).
•Skeletal system: SPAM — Support, Protection, Articulation/movement, Manufacture of blood cells.
•Muscles only PULL (contract). Work in ANTAGONISTIC pairs: biceps/triceps; quadriceps/hamstrings.
•Digestion sequence: Mouth→Oesophagus→Stomach→Small intestine (nutrients absorbed here via villi)→Large intestine→Rectum→Anus.
•States: Solid (fixed shape + volume), Liquid (takes container shape, fixed volume), Gas (fills all space). 4 changes: melt, freeze, evaporate, condense.
•Conductors (metals: copper, iron) allow electricity/heat. Insulators (wood, rubber, plastic) block it.
•Gravity pulls DOWN. Friction OPPOSES motion. Like magnetic poles REPEL; unlike ATTRACT.
•Food chain: Sun → Producer → Herbivore → Carnivore. Remove any link → whole chain collapses.

ICSE marks blueprint

Where the marks come from in this chapter — so you can plan your prep.

Where this shows up in the real world

This chapter isn't just an exam topic — it lives in the world around you.

Muscles and physiotherapy

Understanding that muscles work in antagonistic pairs helps physiotherapists design rehabilitation exercises. If you injure your biceps, the physiotherapist specifically trains the triceps too to restore balance — both muscles must be equally strong.

Food preservation — states of matter

Refrigerators slow evaporation and bacterial growth by lowering temperature (slowing state changes). Freeze-drying removes water from food by freezing it and then removing the ice as vapour — preserving food for years without refrigeration (used in space missions).

Pest control and food chains

Organic farmers deliberately avoid pesticides because they understand food chains. Killing one pest insect often kills the predators that controlled other pests — causing a worse pest outbreak. Food chain knowledge is practical farming science.

Biomimicry — adaptation-inspired design

Engineers study desert beetles that collect fog on their backs (smooth/bumpy surface pattern) to design water collection systems in arid regions. Shark skin inspired low-drag swimsuits for Olympic swimmers. Nature's adaptations are engineering blueprints.

Exam strategy

Battle-tested tips from teachers and toppers for this chapter.

For metamorphosis questions, always state whether it is COMPLETE (4 stages, has pupa) or INCOMPLETE (3 stages, no pupa) before listing stages.
Digestive system: learn the SEQUENCE of organs first (mouth→oesophagus→stomach→small intestine→large intestine→rectum→anus), then add the function of each.
For habitat/adaptation questions, always explain the BENEFIT of the adaptation, not just name it — 'the camel has a hump' earns 1 mark; 'the camel's hump stores fat for energy during long desert journeys' earns full marks.
States of matter: practice the diagram of a temperature-vs-time graph — flat lines show melting/boiling (latent heat); sloped lines show temperature rise with heat input.
Food chain arrows always go FROM the eaten TO the eater — the arrow represents energy flow, not 'eats'.

Going beyond the textbook

For olympiad aspirants and curious learners — topics that build on this chapter.

Trophic levels and the 10% energy rule: only ~10% of energy passes from one level to the next (90% is lost as heat). This is why food chains rarely have more than 5 levels — there isn't enough energy to support a 6th.
Enzymes in digestion: each enzyme is substrate-specific. Amylase breaks STARCH, pepsin breaks PROTEIN, lipase breaks FAT. Enzymes are reusable biological catalysts — pH and temperature affect their shape (denaturation).
Osmosis in plant roots: roots absorb water by osmosis — water moves from where it is more concentrated (soil) to where it is less concentrated (root cells) through a semi-permeable membrane. This is Class 9 biology but enriches Class 5 understanding.
Simple machines and mechanical advantage: a lever can multiply force. Mechanical advantage = effort arm length ÷ load arm length. A long crowbar gives a large mechanical advantage, allowing a small force to lift a heavy object.

Where else this chapter is tested

CBSE board isn't the only one — other exams test this chapter too.

ICSE Class 5 Annual ExaminationBiology (~40 marks), Physics/Chemistry (~30 marks), Environment (~15 marks)

NSO (National Science Olympiad) Class 5Metamorphosis, food chains, forces are frequently tested at olympiad level

ASSET Science Class 5Conceptual application: 'What would happen if…?' style questions on food chains and adaptations

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Questions students ask

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No. Germination happens underground, away from light. Seeds need water, warmth, and oxygen — not light. Light becomes important AFTER the seedling emerges and begins photosynthesis. Some seeds actually germinate better in darkness (like tomatoes).

It is called 'small' because of its DIAMETER (about 2.5 cm), not its length. The small intestine is actually 6–7 metres long in adults — longer than the 'large' intestine (1.5 m). The length creates a huge surface area for nutrient absorption.

Exercise makes muscles work hard, releasing heat. The body must cool down to maintain a safe temperature. Sweat (mostly water and salt) is secreted onto the skin surface. As it evaporates, it takes heat energy away from the body — this is why you feel cooler after sweating.

Without friction, you couldn't walk (shoes would slip), write (pen would slide), or brake a car. Friction between your feet and the ground lets you push backward against the ground and move forward. All grip depends on friction. The problem is only EXCESSIVE friction (creates heat, wastes energy) — which is why we use oil to reduce it in engines.

PURE water (distilled water with no dissolved salts) is technically an insulator. However, ORDINARY water (tap water, river water) contains dissolved salts and minerals, making it a good conductor. This is why electrical appliances are dangerous near water — it's the dissolved ions that conduct electricity.

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Plants — Increasing the Numbers

How plants REPRODUCE and INCREASE their numbers. Understand GERMINATION, SEED DISPERSAL by wind, water, animals, and explosion. Learn VEGETATIVE PROPAGATION — eyes of potato, stem cutting, leaf buds. ICSE Class 5 Science.

Adaptations in Plants

How plants ADAPT to survive in different habitats. TERRESTRIAL plants — desert (cactus), mountains (pine). AQUATIC plants — floating (duckweed), fixed (lotus), submerged (Hydrilla). INSECTIVOROUS plants — pitcher plant, Venus flytrap. ICSE Class 5 Science.

Adaptations in Animals

How animals ADAPT to survive in different habitats. TERRESTRIAL — camel (desert), polar bear (polar), monkey (arboreal). AERIAL — birds. AQUATIC — fish, whale. AMPHIBIANS — frog. MIGRATION — Arctic tern. ICSE Class 5 Science.

Human Body Systems

Explore the major HUMAN BODY SYSTEMS — Skeletal system (bones and joints), Muscular system, Nervous system (brain, nerves, sense organs), and Circulatory system (heart, blood, blood vessels). ICSE Class 5 Science.

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Science — Plants, Animals, Human Body, Matter, Force & Environment

By the end of this chapter you'll be able to…

Before you start — revise these

Science — Plants, Animals, Body, Matter & Environment

1. Plants — Growing and Making Food

Parts of a Plant

Seeds and Germination

Types of Plants

2. Animals — How They Live and Adapt

Habitats

Classification by What They Eat

Life Cycles

3. The Human Body

The Skeletal System

The Respiratory System

The Digestive System

Teeth

4. Matter and Materials

States of Matter

Changes of State

Materials Around Us

5. Force, Work and Energy

Force — A Push or a Pull

Simple Machines

6. Environment — Our Home

What Is the Environment?

Pollution — The BIG Problem

The 3 R's: REDUCE. REUSE. RECYCLE.

Food Chain

Key formulas & results

Common mistakes & fixes

Practice problems

5-minute revision

ICSE marks blueprint

Where this shows up in the real world

Exam strategy

Going beyond the textbook

Where else this chapter is tested

AI helpers for this chapter

Generate 5 more questions

Explain at a different level

📝 My notes

Questions students ask

Does a plant need sunlight to germinate?

Why is the small intestine so long if it's called 'small'?

Why do we sweat when we exercise?

If friction is a force that opposes motion, why is it useful?

Is water a conductor or insulator?

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Plants — Increasing the Numbers

Adaptations in Plants

Adaptations in Animals

Human Body Systems

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