Science 1 · Unit 4: The Earth · Cambridge Primary Science Stage 1

Questions

1. 1. What is the Earth made of?

   • paper
   • plastic
   • fabric
   • rocks
   Check

2. 2. What are stones?

   • shells
   • small rocks
   • pieces of wood
   • seeds
   Check

3. 3. What is sand made of?

   • salt
   • very small pieces of rock
   • sugar
   • tiny seeds
   Check

4. 4. Where do people dig out rocks?

   • in a quarry
   • in a swimming pool
   • in a kitchen
   • in a library
   Check

5. 5. Which rock is white and soft?

   • granite
   • chalk
   • diamond
   • slate
   Check

6. 6. Which rock is clear and shiny?

   • chalk
   • sandstone
   • diamond
   • slate
   Check

7. 7. Which rock is red or pink?

   • sandstone
   • diamond
   • slate
   • chalk
   Check

8. 8. Which rock is grey or purple?

   • slate
   • sandstone
   • diamond
   • chalk
   Check

9. 9. Marcus scratches rocks with a wooden stick. The granite breaks the stick. Why?

   • Granite is soft.
   • Granite is hard.
   • Granite is wet.
   • Granite is flexible.
   Check

10. 10. Sand comes off the sandstone when Marcus scratches it. What does this show?

    • Sandstone is soft.
    • Sandstone is a metal.
    • Sandstone is alive.
    • Sandstone is hard.
    Check

11. 11. Why does a climber need dry rock?

    • Wet rock is sharp.
    • Wet rock is slippery.
    • Dry rock is softer.
    • Wet rock is hotter.
    Check

12. 12. How can water change a rock?

    • It makes it grow.
    • It makes it melt.
    • It makes it turn into wood.
    • It can make it look darker and feel slippery.
    Check

13. 13. Which rock is very hard with different coloured bits?

    • sandstone
    • limestone
    • granite
    • chalk
    Check