Nutrition

4. one of the states of matter. It has a fixed shape and a fixed volume
8. When particles spread and mix with each other without anything moving
9. When there is liquid turning into a gas in all parts of a liquid, creating bubbles of gas in the liquid
11. motion An erratic movement of small specks of matter caused by being hit by the moving particles that make up liquids and gases
12. theory A theory used to explain the different properties and observations of solids, liquid and gases
15. point The temperature at which a solid turns to a liquid
17. A way of showing or representing something that helps you think about it or to find out about it

1. in state are physical changes because the chemicals in the substances do not change
2. A tiny piece of matter that everything is made out of
3. A gas or a liquid
5. The amount of mass that one cubic centimetre of substance has. Often measured in grams per cubic centimetre (g/cm3)
6. one of the states of matter. It has fairy strong forces of attraction
7. you cool a gas it condenses into a liquid
10. One of the states of matter. Moves about fast in all directions
13. of state when a substance changes from one state of matter (solid, liquid or gas) into another
14. are three different forms that a substance can be in; solid, liquid or gas. These are the three states of matter
16. point The temperature at which liquid boils