Grade 4 Science practice sheet

Question 1

Why is a food web a better picture of nature than one food chain?

• it is only for plants
• most animals eat more than one kind of food
• it has fewer animals
• it is smaller

Question 2

A drought dries up a pond. What happens to the animals that live there?

• they get more food
• they grow gills
• nothing changes
• many have to move or may not survive

Question 3

Why do many birds fly south in autumn?

• to find snow
• to find food and warmer weather
• to sleep under water

Question 4

Which question about a habitat can you answer by looking and counting?

• Why is the sky blue on Mars?
• What did a dinosaur eat for lunch?
• How far is the moon?
• How many kinds of plants grow along the path?

Question 5

A chameleon changes its colour to match leaves. How does this help it?

• It makes it grow faster
• It makes it taste better
• It helps it swim
• It is harder for predators to see

Question 6

Which light source gives off light but very little heat?

• the Sun
• a campfire
• a candle
• a glow stick

Question 7

A fire alarm uses a loud, high-pitched sound. Why?

• it is quiet
• it is pretty
• it is easy to notice and warns people of danger
• it makes the fire go out

Question 8

What are fossils?

• pieces of broken glass
• rocks that glow in the dark
• remains or marks of living things from long ago
• tools used by hunters today

Question 9

Which property are you checking when you rub a mineral on a white tile and see a coloured mark?

• streak
• size
• lustre
• texture

Question 10

You test paper towels to see which soaks up most water. What stays the same?

• the amount of water poured
• the towel being tested
• the type of paper towel