# Properties of materials

> Grade 5: hardness and strength, solubility, transparency, electrical and thermal conductivity, magnetic or not.

Source: https://olyclass.com/library/science-g5-properties-materials-en/

- Subject: Science
- Level: Grade 5
- Quiz: 16
- Play it free on one screen (projector, TV or whiteboard): https://olyclass.com/library?play=science-g5-properties-materials-en
- Copy and edit it: https://olyclass.com/library?copy=science-g5-properties-materials-en
- Games it plays well in: [Tug of War](https://olyclass.com/classroom-games/tug-of-war/), [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/)

## Questions

1. Which material is the hardest? (Chalk / Diamond / Rubber / Wood)
   Answer: Diamond
2. Which word describes a material that is hard to bend or break? (Flexible / Runny / Soft / Strong)
   Answer: Strong
3. A material that is easy to scratch is soft.
   Answer: True
4. Which material would be the best choice for a strong bridge? (Clay / Cotton wool / Paper / Steel)
   Answer: Steel
5. Which material dissolves in water? (Pebbles / Plastic / Sand / Sugar)
   Answer: Sugar
6. Salt is stirred into water and seems to disappear. What is the mixture called? (A solute / A solution / A solvent / A suspension)
   Answer: A solution
7. What do we call a material that lets all light through, so you can see clearly? (Flexible / Opaque / Translucent / Transparent)
   Answer: Transparent
8. Which material is opaque? (Clean air / Clear glass / Clear plastic wrap / Wood)
   Answer: Wood
9. Which material is a good electrical conductor? (Copper / Plastic / Rubber / Wood)
   Answer: Copper
10. Plastic is a good material to cover electric wires because it is an insulator.
   Answer: True
11. Why do pans often have plastic or wooden handles? (They are magnetic / They conduct heat very well / They dissolve in water / They do not conduct heat well)
   Answer: They do not conduct heat well
12. Which of these objects would a magnet pick up? (A copper wire / A glass marble / A wooden spoon / An iron nail)
   Answer: An iron nail
13. All metals are magnetic.
   Answer: False
14. Name one material that is transparent.
   Answer: Glass (or clear plastic, water)
15. Sand is stirred into water but does not disappear. What science word describes sand?
   Answer: Insoluble
16. Name one metal that a magnet attracts.
   Answer: Iron (or steel; also nickel, cobalt)