Science 4 · Unit 4: Earth and its habitats · Cambridge Primary Science Stage 4

Questions

1. 1. A polar bear lives on snow and ice. How would you describe its habitat?

   • very cold, icy and snowy
   • sandy and windy
   • hot and dry
   • wet and warm
   Check

2. 2. How is a polar bear suited to its habitat?

   • Its thick white fur keeps it warm and hidden in the snow.
   • It has thin fur to keep it cool.
   • It has gills to breathe under the ice.
   • It has a long neck to reach trees.
   Check

3. 3. A striped fish lives near the sea floor. How is a fish suited to living in water?

   • It has fins to swim and gills to breathe.
   • It has lungs to breathe under water.
   • It has thick fur to keep warm.
   • It has legs to walk on the sea floor.
   Check

4. 4. A bird has long, curved toes that wrap around things. What is it best at?

   • walking on sand
   • gripping branches of trees
   • catching fish
   • swimming
   Check

5. 5. A bird has strong toes that are flat on the ground. What is it best at?

   • gripping branches
   • catching animals
   • swimming
   • walking
   Check

6. 6. A bird has skin (webs) between its toes. What is it best at?

   • swimming
   • gripping branches
   • walking on rocks
   • climbing trees
   Check

7. 7. Which bird has webbed feet for swimming?

   • an eagle
   • a parrot
   • a chicken
   • a duck
   Check

8. 8. A bird has large, sharp, curved claws. What is it best at?

   • walking on mud
   • catching smaller birds and small animals
   • eating seeds
   • swimming
   Check

9. 9. Which bird eats smaller birds and small animals?

   • a sparrow
   • a chicken
   • an eagle
   • a duck
   Check

10. 10. Where do giraffes live?

    • in thick, wet rainforests in South America
    • in the hot, dry tropical grasslands of Africa
    • in the cold, icy Arctic
    • in deep oceans
    Check

11. 11. What are the trees like where giraffes live?

    • They are covered in snow.
    • They have small leaves and thorns.
    • They have large, soft leaves.
    • They have no leaves at all.
    Check

12. 12. How can a giraffe reach the leaves at the tops of trees?

    • Its very long neck, about 3 m, lets it reach high up.
    • It climbs the tree.
    • It jumps up to the leaves.
    • It waits for the leaves to fall.
    Check

13. 13. How does a giraffe use its tongue to eat?

    • It uses its tongue to drink only.
    • It curls its long, thick tongue around a branch and pulls the leaves into its mouth.
    • It licks the bark off trees.
    • It uses its tongue to dig for roots.
    Check

14. 14. Why don't the thorns hurt a giraffe's mouth?

    • It only eats trees with no thorns.
    • It pulls the thorns out first.
    • Its mouth is covered with very thick skin.
    • Its teeth break the thorns.
    Check

15. 15. Why does a giraffe have a very large heart?

    • to help it digest leaves
    • to help it run faster than lions
    • to keep it warm at night
    • to pump blood all the way up its long neck to its brain
    Check