1. matter is made of atoms
2. a substance that takes up mass and volume
3. water, food, plants
4. Solid- maintains a fixed volume and shape
Liquid- takes the shape of it’s container (no fixed volume or shape)
Gas- expands to occupy a space
5-A chemical reaction rearranges atoms to create different substances as products
6- Reactants present at the start of the reaction, Products are present at the end