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Unit 4: Natural Science Learn Together Primary 4 1

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1 NATURAL SCIENCE LEARN TOGETHER PRIMARY 4

UNIT 4 END-OF-UNIT TEST Name:

Class:

1 Match the definitions to the words.

These are what roots absorb from the soil. trees

This is what transports the plant’s food. elaborated sap

Plants use solar energy to combine raw sap


grasses
and carbon dioxide to make this.

These have thick stems and high branches. raw sap

This is the mixture of water and minerals. water and minerals

These have thick stems and low branches. bushes

These have thin, flexible stems. stem

2 Circle the correct words to complete the sentences.


a During photosynthesis, plants absorb oxygen / carbon dioxide and release
oxygen / carbon dioxide.

b Plants sustain life on the planet because they produce oxygen / carbon dioxide.

c During the day / During the day and at night, plants perform photosynthesis.

d During the day / During the day and at night, plants perform respiration.

3 Label the picture.


a d a

c
b e
d

c f e

g f

Downloadable and photocopiable © Ediciones Bilingües, S.L.


NATURAL SCIENCE LEARN TOGETHER PRIMARY 4 2

4 Put the sentences about the lifecycle of an angiosperm in the correct order.
a The fruit falls, opens and releases the seeds.

b The new plant produces flowers.

c A seed develops inside the ovary.

d The seeds germinate and a new plant grows.

e Pollen goes into the stigma and down to the ovary. 1

f The ovary then grows into a fruit with seeds.

5 Label the photos with the correct vertebrate group.

a b c

d e

6 Read the sentences and write T (true) or F (false). Correct the false sentences.
a Birds are the only animals which have feathers.

b Fish are the only animals which breathe with gills.

c Some reptiles have moist skin and shells for protection.

Downloadable and photocopiable © Ediciones Bilingües, S.L.


3 NATURAL SCIENCE LEARN TOGETHER PRIMARY 4

7 Circle the correct words to complete the sentences.


a Mammals are oviparous / viviparous and the parents look after / do not look after
the offspring.

b All birds have fins / wings but some birds cannot swim / fly.

c Reptiles are usually viviparous / oviparous and most are herbivores / carnivores.

d Amphibians breathe with gills / lungs when they are babies and go through
photosynthesis / metamorphosis to change into adults.

e Fish have scales / shells to protect their bodies and use tails / tentacles to move through
the water.

8 Match to make true sentences.

Cephalopods have a shell divided in two halves.

Sponges cannot five strong arms.

Most starfish have soft, elastic bodies.

Gastropods have tentacles and some have a shell.

Sea cucumbers have move and must filter food from the water.

Bivalves have two eyes and four antennae.

Annelids have moist, segmented bodies.

9 Label the invertebrate groups in the photos.

annelid  sponge  cnidarian

a b c

Downloadable and photocopiable © Ediciones Bilingües, S.L.

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