Summer Natural Science

TERCERO PRIMARIA

NATURAL SCIENCE

Summer Homework

1

UNIT

Name:

Diagnostic

Class:

1 Label the body parts. arm   mouth   leg   nose   foot   ear   hand   eye   head

a.

eye g.

b.

c. h. d. e.

f.

i.

2 Cross the odd one out. a. Circulatory system: hand, heart, arteries, veins b. Respiratory system: lungs, nose, stomach, mouth c. Digestive system: stomach, mouth, intestine, lungs

3 Are these sentences true or false? a. Knees, elbows and knuckles are all examples of joints.

true / false

b. The respiratory system helps us to digest food.

true / false

c. We breathe in carbon dioxide and breathe out oxygen.

true / false

d. The brain and the heart are organs.

true / false

e. Pupils are found inside our ears.

true / false

1

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UNIT

1

4 Write the correct sense. sight   hearing   smell   taste   touch

touch

5 How do these things feel? Circle the correct words. a

b

2

c

smooth / rough

hard  / soft

smooth / rough

hot / cold

smooth / rough

hot / cold

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2

UNIT

Name:

Diagnostic

Class:

1 Identify the food groups. fruit and vegetables  proteins and iron  dairy products  fats  carbohydrates and fibre

e.

a. carbohydrates and fibre

d.

b.

c.

2 Circle the healthy foods. Breakfast

yoghurt

cereal

orange juice

croissant

donut

hamburger

rice

pasta

cola

chips

ice cream

pizza

salad

Lunch

chicken

Dinner

fish

1

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2

UNIT

3 Match the questions to the answers. a. How many main meals should we eat every day?

75

b. What percentage of your body is water?

1.5

c. How many litres of water should we drink every day?

6

d. How many glasses of water should we drink every day?

3

) the habits that are good for your body and your mind.

4 Tick ( a

b

c

d

e

f

g

h

i



2

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3

UNIT

Name:

Diagnostic

Class:

1 Circle true or false. Correct the sentences that are false. a. Living things obtain nutrients from food.

true  / false

b. Living things reproduce. Reproduction means making new food.

true / false

c. All animals give birth to live young.

true / false

d. Rocks and sand are examples of living things.

true / false

e. Living things need food and water to live.

true / false

f. All non-living things are man-made.

true / false



2 Draw lines to label the parts of the plant. Match the parts of the plant with the descriptions of what they do.

a. flowers

b. leaves

c. stems

d. roots

Take in water from the ground. Take in air, water and sunlight. Support the plant.

Produce seeds.

3 Circle the living things blue and the non-living things red.

1

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UNIT

3

4 Complete the diagram. make their own food   eat plants and animals   need water to live   are born from seeds lay eggs or give birth   reproduce   grow towards the light   can move from place to place

animals

plants

both

make their own food

a. b.

d. c.

e.

f. g. h.

5 Match to make true sentences. a. Fungi feed on

to plants than animals.

b. Mould and mushrooms are

example of algae. their own food.

c. Seaweed is an

other living things that are decomposing.

d. Bacteria are very small organisms, e. Fungi are more similar

which we can only see under a microscope.

f. Algae produce

examples of fungi.

6 Classify the living things animals, plants, fungi, bacteria or algae.

algae

2

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4

UNIT

Name:

Diagnostic

Class:

1 Circle the odd one out. a. dog lion

ostrich bear

b. hawk

falcon

eagle

hummingbird

c. piglet elephant chick

lamb

d. giraffe sheep

horse

cow

e. whale kangaroo sparrow snail

2 Identify the animals.

cow

3 Match. a. Vertebrates

eat other animals.

b. Omnivores

eat plants.

c. Invertebrates

eat other animals and plants.

d. Carnivores

have a backbone.

e. Herbivores

don’t have a backbone.

1

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UNIT

4

4 Tick the correct box. a. They are vertebrates.

birds

mammals

 birds and mammals

b. They have feathers.

birds

mammals

birds and mammals

c. They have fur or hair.

birds

mammals

birds and mammals

d. They drink their mother’s milk.

birds

mammals

birds and mammals

e. They are oviparous.

birds

mammals

birds and mammals

f. They are viviparous.

birds

mammals

birds and mammals

g. They breathe with their lungs.

birds

mammals

birds and mammals

5 Label the words related to birds nest   beak   wing   feathers   eggs

beak

2

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5

UNIT

Name:

Diagnostic

Class:

1 Classify the animals.

turtle

salamander

lizard

ray

snake

eel

seahorse

carp

frog

Reptiles

Amphibians

Fish

turtle

2 Choose the correct option. a. Adult amphibians breathe through their lungs /  moist skin and lungs  / gills. b. Fish breathe through their lungs / moist skin and lungs / gills. c. Reptiles breathe through their lungs / moist skin and lungs / gills.

1

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UNIT

5

3 Identify the parts of a fish. a

d

b e

c

 tail            

fin      

eye      

scales      

gills

4 Are these sentences true or false? a. Amphibians have scales on their bodies.

true / false

b. Most reptiles are carnivores.

true / false

c. Most fish are oviparous.

true / false

d. Snakes slither when they move.

true / false

e. Fish change from babies to adults through metamorphosis.

true / false

5 Match. a. Reptiles and fish

are oviparous and lay their eggs in water.

b. Amphibians

live in water and on land.

c. Fish

do not live in extremely cold habitats.

d. Reptiles

have scales on their bodies.

e. Reptiles and Amphibians

live in fresh water or the sea.

2

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6

UNIT

Name:

Diagnostic

Class:

1 Circle the invertebrates.

chameleon

crab

hamster

snail

goldfish

octopus

starfish

frog

wasp

2 Are these sentences true or false? a. All invertebrates have a backbone.

true /  false

b. All invertebrates can walk, swim, crawl and fly.

true / false

c. Invertebrates are the smallest group of animals on the Earth.

true / false

d. All invertebrates have an exoskeleton to protect their bodies.

true / false

e. Some invertebrates have a shell to protect their bodies.

true / false

1

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UNIT

6

3 Identify the parts of an insect. e

c

a

d

legs           

b

a head     

abdomen     

antennae     

thorax

4 Match the invertebrate to the correct sub-category. a. spider

insect

b. crab

bivalve

c. snail

crustacean

d. grasshopper e. mussel

arachnid gastropod

5 Choose the correct option. a. Crustaceans have a thick  exoskeleton  / shell to protect their body. b. Insects have two / four antennae and six / eight legs. c. Arachnids have six / eight legs and most have six / eight eyes. d. Gastropods have eyes/ears on the end of antennae. e. Most cephalopods do / do not have an external shell to protect their body.

2

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7

Unit

Name:

Diagnostic

Class:

1 Identify the materials. Match. metal glass feathers wood cotton wool

2 Choose the correct properties of these things. a.

A glass jar is fragile / resistant.

b.

A can is rigid / flexible.

c.

An umbrella is absorbent / waterproof.

d.

A nail file is rough / smooth.

3 Write down the three states of water. a

b

1

c

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Unit

7

4 Identify the natural and manufactured materials.

a. 

natural

d. 

b. 

c. 

e. 

f. 

5 Match and make sentences. a. Everything on the planet

it is called a physical change.

b. We use different

is made up of matter.

c. When matter changes shape, size or state,

it is called a chemical change.

d. When matter changes into different matter,

materials to make things.

e. A mixture contains

two or more materials.

2

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8

Unit

Name:

Diagnostic

Class:

1 Match the pictures to the correct type of energy.

kinetic energy thermal energy light energy sound energy electrical energy chemical energy

2 Are these sentences about energy true or false? a. We need energy for everything we do.

true / false

b. We can find energy everywhere around us.

true / false

c. We can create energy.

true / false

d. We can’t change energy from one type to another.

true / false

e. We can’t destroy energy.

true / false

3 Put the energy sources into the correct column. coal   wind   sun   crude oil   natural gas   water

Non-renewable energy sources

1

Renewable energy sources

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Unit

8

4 Label the pictures. oil rig   wind turbine   coal   solar panel hydroelectric power station   wind farm   light bulb   natural gas

a. 

hydroelectric power station

e. 

b. 

c. 

d. 

f. 

g. 

h. 

)

5 Which energy sources come from the ground or seabed? Tick ( a. sun b. water c. crude oil d. wind e. coal f. natural gas

2

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9

Unit

Name:

Diagnostic

Class:

1 Are the machines complex or simple?

a. This is a machine.

simple

b. This is a machine.

c. This is a machine.

a. This is a machine.

b. This is a machine.

c. This is a machine.

d. This is a machine.

e. This is a machine.

f. This is a machine.

2 Are these sentences true or false? Circle the correct answer. a. Complex machines are made up of a number of small machines.

true / false

b. Simple machines often need electrical energy.

true / false

c. Simple and complex machines use energy.

true / false

d. Complex machines have few or no moving parts.

true / false

1



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9

Unit

3 Label the simple machines. lever   screw   inclined plane   wheel and axle   wedge    pulley a

b

c

d

e

f

4 Match the tools to what we do with them.

2

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