# Rocks and soils

> Grade 3: rocks are natural, hard and soft rocks, fossils form in rock, soil is made from rock and dead plants, uses of rocks.

Source: https://olyclass.com/library/science-g3-rocks-soils-en/

- Subject: Science
- Level: Grade 3
- Quiz: 16
- Play it free on one screen (projector, TV or whiteboard): https://olyclass.com/library?play=science-g3-rocks-soils-en
- Copy and edit it: https://olyclass.com/library?copy=science-g3-rocks-soils-en
- Games it plays well in: [Lucky Wheel](https://olyclass.com/classroom-games/lucky-wheel/), [Bowling](https://olyclass.com/classroom-games/bowling/), [Hoop Shot](https://olyclass.com/classroom-games/hoop-shot/), [Penalty Kick](https://olyclass.com/classroom-games/penalty-kick/)

## Questions

1. Which of these is a natural material? (A brick / A glass jar / A plastic toy / A rock)
   Answer: A rock
2. Rocks are made by people in factories.
   Answer: False
3. Which word describes a rock that is easy to scratch? (Hard / Shiny / Soft / Waterproof)
   Answer: Soft
4. Granite is a very hard rock. What is it good for? (Building and kitchen worktops / Making paper / Making pillows / Making soft toys)
   Answer: Building and kitchen worktops
5. Which soft white rock can be used to write on a board?
   Answer: Chalk
6. What is a fossil? (A kind of crystal in water / A rock made in a factory / A very hard type of soil / The remains or print of a living thing in rock)
   Answer: The remains or print of a living thing in rock
7. Which living things have left fossils? (Dinosaurs and ancient shells / Only cars and trains / Only metal tools / Only people from today)
   Answer: Dinosaurs and ancient shells
8. Fossils are usually found in rock.
   Answer: True
9. How long does it take for a fossil to form? (A few hours / About one week / Millions of years / One day)
   Answer: Millions of years
10. Soil is made from tiny bits of rock and what else? (Dead plants and animals / Glass and paper / Plastic and metal / Sugar and salt)
   Answer: Dead plants and animals
11. Dead plants rot in soil. What do they add that helps new plants grow?
   Answer: Nutrients
12. Over a very long time, wind and rain can break rock into small pieces.
   Answer: True
13. Which rock is often used to make roof tiles? (Chalk / Sand / Slate / Soil)
   Answer: Slate
14. Which is a use of rock? (Building walls and roads / Growing as food / Making clouds / Making sunlight)
   Answer: Building walls and roads
15. Name one thing that people build or make using rock.
   Answer: Houses, walls, roads or statues (any sensible answer)
16. Why are hard rocks good for building roads? (They are very soft / They do not wear away easily / They float on water / They melt in the rain)
   Answer: They do not wear away easily