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GL QUIZ SCIENCE GRADE 3

Total questions: 40

Worksheet time: 13mins

Name
Class
Date
1.

When Earth is seen from outer space, it looks mainly blue. This is because most of Earth is covered with ________

a)

ice

b)

mountains

c)

oceans

d)

desert

2.

Mold is often found growing on old bread. In a food chain, mold is a

a)

decomposer

b)

producer

c)

consumer

d)

scavenger

3.

Skunks spray a strong-smelling liquid to

a)

get rid of wastes

b)

attract prey

c)

defend themselves

d)

help nearby plants grow

4.

Which of these BEST describes the texture of the metal spoon?

a)

Small

b)

Smooth

c)

Flexible

d)

Shiny

5.

A container was filled with ice cubes. The container was left outside until the ice cubes melted. Based on the picture, how much water came from the melted ice cubes?

a)

3 milliliters

b)

5 milliliters

c)

7 milliliters

d)

10 milliliters

6.

Why is it important to protect soil?

a)

It covers the bedrock layer in the earth.

b)

It has nutrients used by plants to grow

c)

It holds many harmful pollutants.

d)

It dries quickly in sunlight.

7.

A student is blindfolded and given several objects to feel. Which of these would he describe as hard and smooth?

a)

Screw

b)

Balloon

c)

Teddy bear

d)

Marble

8.

Which of these is the BEST way to save animals and trees?

a)

Ride bikes more

b)

Make more farmland

c)

Take care of forests

d)

Move to the city

9.

Students planted two types of bean seeds. Both types of bean plants are measured after two weeks. Which of these questions are they MOST likely trying to answer?

a)

Which type of bean plant grows faster?

b)

Which type of bean plant is prettier?

c)

Which type of bean plant tastes better?

d)

Which type of bean plant costs more?

10.

The teeth of a carnivore are MOSTLY _____________

a)

pointed

b)

rounded

c)

wide

d)

flat

11.

Students made observations about these toy cars. Which of these BEST describes Car 1 and Car 2?

a)

Car 1 is heavier than Car 2.

b)

Car 2 is darker than Car 1.

c)

Car 2 is bigger than Car 1.

d)

Car 1 is longer than Car 2.

12.

When it rains, some animals will ______________

a)

hibernate for the season

b)

migrate to warmer climates

c)

change their body covering

d)

move to seek shelter

13.

Having dry, hot weather for a long time can cause a —

a)

drought

b)

thunderstorm

c)

tornado

d)

flood

14.

Which lists the correct order of changes that happen to a plant in spring?

a)

Buds form, flowers open, fruits grow

b)

Flowers die, fruits grow, buds form

c)

Seeds drop, flowers open, buds form

d)

Seeds drop, flowers die, fruits grow

15.

Which of these is the BEST title for the group of objects shown?

a)

Heavy Objects

b)

Rough Objects

c)

Wooden Objects

d)

Magnetic Objects

16.

Students used thermometers to compare temperatures around their school. Which of these is MOST likely the reason it was cooler under a tree than on the playground?

a)

The tree blocked the cold wind.

b)

Student blocked the wind.

c)

Tree leaves blocked some of the sunlight.

d)

Cloud blocked the Sun.

17.

Which of these can make a shadow on the ground during the day?

a)

river

b)

air

c)

thunder

d)

cloud

18.

People can help keep a forest a good place for birds to live by ______________

a)

dumping garbage in a small part of the forest

b)

building a road through the middle of the forest

c)

burning dead trees to make smoke in the air

d)

preventing too many trees from being cut down

19.

Which of these BEST describes this leaf?

a)

Long

b)

Square-shaped

c)

round

d)

star-shaped

20.

This picture BEST shows how ___________________

a)

animals use plants for food

b)

animals use plants for homes

c)

plants get in the way of animals

d)

plants keep animals warm in winter

21.

What is the mass of the frog?

a)

39 grams (g)

b)

40 grams (g)

c)

41 grams (g)

d)

42 grams (g)

22.

A company plants trees on a bare hillside. Which of these is the BEST reason for planting the trees?

a)

The trees provide oxygen for the soil.

b)

The trees prevent soil from washing away.

c)

The trees make shade for animals living there.

d)

The trees cause animals to move to other places.

23.

Based on the picture of this dog, an observation can be made that this animal __________

a)

runs fast

b)

barks loudly

c)

has spots

d)

jumps high

24.

Which of these may have caused the boulders to break away from the cliff?

a)

Weathering

b)

Evaporating

c)

Depositing

d)

Grinding

25.

Which of these birds MOST likely uses its beak to scoop up small fish for food?

a)
b)
c)
d)
26.

Which of these trees stays green all year?

a)
b)
c)
d)
27.

All of the objects shown can be described as ____________

a)

having moving parts

b)

having the same size

c)

needing a magnifying glass to be seen

d)

being made from more than one material

28.

Which of these can be dissolved in water?

a)

Grain of sand

b)

Baking soda

c)

Wood chips

d)

Cooking oil

29.

Which of these will take the LONGEST time to observe?

a)

One moon-phase cycle

b)

One ocean-tide cycle

c)

An acorn growing into an adult tree

d)

A caterpillar becoming a butterfly

30.

This planet is the largest among the inner planets. Its surface is mostly covered in water, giving it a bluish appearance from space, and it rotates every 24 hours

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

31.

What happens to water when it boils?

a)

It changes the color.

b)

It becomes heavier

c)

It changes into water vapour.

32.

How can washing your helps keep you from getting sick?

a)

It washes away germs.

b)

It makes your hand beautiful.

c)

It makes your hands warmer.

33.

Which material is the best conductor of heat?

a)

wood

b)

metal

c)

glass

d)

plastic

34.

Water flows across Earth’s Surface. In which direction does it flow?

a)

mountains –rivers- oceans

b)

oceans- mountains -rivers

c)

rivers- oceans -mountains

d)

mountains –oceans- rivers

35.

Which of these animals has a young form that looks the most like the adult form?

a)

moth

b)

human

c)

frog

d)

butterfly

36.

Most birds sit on their eggs until they hatch. Which of these is the most important reason why birds sit on their eggs?

a)

to keep the eggs inside the nest

b)

to keep the eggs warm

c)

to protect the eggs from the wind

d)

to protect the eggs from the rain

37.

A predator is an animal that feeds on other animals. Which of these is a predator?

a)

deer

b)

wolf

c)

cow

d)

goat

38.

Some plants produce fruit such as apples. What is one function of a fruit?

a)

to protect seeds

b)

to produce food for seeds

c)

to stop seeds from dispersing

d)

to store water for seed germination

39.

Which group of animals contains ONLY reptiles?

a)

lizard, frog, snake

b)

turtle, lizard, crocodile

c)

octopus, snail, turtle

d)

crab, earthworm, snake

40.

Why are many desert animals more active at night?

a)

It is drier at night

b)

It is cooler at night.

c)

There is less danger at night.

d)

There is less wind at night.