click below
click below
Normal Size Small Size show me how
States of Matter
Year 7 Science
| definition | Word |
|---|---|
| something that does not have a fixed shape or volume, and is easy to squash - like air | gas |
| something with a fixed volume but no fixed shape - like water | liquid |
| something with a fixed shape and volume - like a rock | solid |
| the three different forms that a substance can be in: solid, liquid or gas | states of matter |
| forces holding particles together | bonds |
| the tiny pieces that everything is made out of | particles |
| move backwards and forwards | vibrate |
| when particles mix with each other without anything moving them | diffusion |
| the force caused by particles hitting a certain area | pressure |
| a completely empty space | vacuum |