Science 2 · Unit 1: Environments and habitats · Cambridge Primary Science Stage 2

Questions

1. 1. Which rock is very soft and used for writing?

   • granite
   • chalk
   • slate
   • marble
   Check

2. 2. Which rock is black and can be burned to keep us warm?

   • coal
   • marble
   • slate
   • chalk
   Check

3. 3. Why do we use slate for roofs?

   • It absorbs water.
   • It burns well.
   • It is very soft.
   • It is waterproof.
   Check

4. 4. Which rock is very strong and used to make bridges and buildings?

   • sand
   • chalk
   • coal
   • granite
   Check

5. 5. Which rock is made into statues and floor tiles?

   • coal
   • chalk
   • sandstone
   • marble
   Check

6. 6. Tom drips water on chalk. The water goes into the chalk. What does this show?

   • Chalk burns.
   • Chalk is a metal.
   • Chalk is waterproof.
   • Chalk absorbs water.
   Check

7. 7. How can you test how hard a rock is?

   • Look at its colour.
   • Listen to it.
   • Smell it.
   • Try to scratch it with a paperclip.
   Check

8. 8. What is a quarry?

   • a place where we dig rock at the Earth's surface
   • a river
   • a kind of rock
   • a deep hole for water
   Check

9. 9. Where do people dig up coal and salt?

   • in the sky
   • in gardens
   • on beaches
   • in deep mines
   Check

10. 10. What do we dig from river beds?

    • sand, gravel and pebbles
    • chalk sticks
    • granite blocks
    • coal and salt
    Check

11. 11. What happens to the environment when people dig up rocks?

    • More trees grow.
    • Nothing changes.
    • Animals get new homes.
    • Plants and animals are killed or lose their homes.
    Check

12. 12. You swirl stones in a bowl of water. What happens?

    • All the stones get bigger.
    • The stones float away.
    • The water sorts small, light stones from big, heavy ones.
    • The stones melt.
    Check

13. 13. Why is working in a mine dangerous?

    • It is too bright.
    • Rocks can fall and explosives are used.
    • It is always cold and snowy.
    • There are too many plants.
    Check

14. 14. What is a stone?

    • a piece of wood
    • a shell
    • a small rock
    • a seed
    Check