1. Matter

2. Solid Has a definite shape and size Made of particles that are packed tightly and vibrate

3. Liquid Has no definite shape- it takes the shape of the container It has a definite size It's made of particles they move slowly but more free than a solid

4. Gas Has no definite size It also has no definite shape- it takes the shape anything Made of particles witch

5. Reduce, reuse,and recycle The three R's are reduce, reuse, and recycle

6. Mass Mass is the amount of matter in an given object

7. Properties Some examples of properties are texture, size, and shape

8. Density Density is the state or quality of being dense compactness closely set or in a crowded condition

9. Weight The amount or quantity of heaviness or mass the amount a thing weighs

10. Buoyancy Buoyancy is the upward force of water or air

11. Matter Matter is anything that takes up space and has mass

12. Area

13. Perimeter

14. Elements Examples: gold, silver, oxygen Building blocks of Matter Made up of only one type of matter

15. Mixture Examples: mixed vegetables, salt water, and grape juice Can be separated - sort by picking, filter, evaporation Two or more types of matter combined Each type keeps its original properties

16. Atoms Smallest particles of an element

17. Alloy A mixture of two or more elements one must be a metal Mixing metal with another element can make it stronger

18. Compound Examples : salt, sugar, and rust Each element loses its property when combined Forms when two or more elements combined chemically