Question | Answer |
What is the three states of matter? | Solid, liquid and gas. |
What is volume? | Volume is the amount of space that it takes up. |
What is the volume measured in? | Cubic centimetres (cm^3) |
What are the properties of a solid? | It can not change shape, it can not be compressed and it can not flow. |
What do you call the force that holds the particles of a solid together? | Bonds. |
Liquid is usually denser than solids.
True/False? | False. |
Why is gas put in a tightly sealed container? | because they can easily flow. |
Gas are denser than liquid but not solid. True/False? | False |
What is the properties of a liquid
? | It can change its shape, it can't be squash and it can flow. |
What is the properties of a gas? | It can change its shape, it can be squash and it can flow. |
What is diffusion? | When particles spread out. |
Give an example of diffusion | Tea diffusing in the water. |
Why is methane from waste burnt? | Because methane can cause global warming. |
Why is the hemispheres hard to pull apart? | Because the pressure outside is pushing against it. |
When you suck our of a straw you make pressure inside your mouth lower than the pressure outside. True/False? | True. |