Materials
What is a material?
What objects are made of.
What does translucent mean?
Some light can go through it.
What is the best material to make a towel out of and why?
Fabric- it's soft and absorbent
What is a processed material?
Made by humans
What does opaque mean?
No light can pass through. You can't see through it.
What is the best material to make raincoat out of? Why?
Plastic- flexible and waterproof
What is a natural material?
Found in nature
What does elastic mean?
If you apply force and let go, it goes back to its original shape.
What is the best material to make a trampoline out of? Why?
Stretchy and strong fabric- elastic for bouncing, strong so it doesn't break.
What properties does rubber have? Give at least 2.
Waterproof, flexible
What does soluble mean?
It can dissolve in water.
What is the best material to build a bridge? Why?
Answers will vary- could be wood or metal (strong, hard)
What properties does glass have? Give at least 2.
Transparent, brittle
What does flexible mean?
Able to be bent or stretched
Should plastic be used for water bottles? Why?
Answers will vary