1. Our Universe explained

2. Our Universe is made up of three things: Spacetime Matter energy

3. Spacetime The 3 Dimensions of Space plus the 4th dimension: time

4. Matter Anything that has mass and volume

5. Energy The ability to move or change matter

6. 5 Forms of energy mechanical energy chemical energy electromagnetic energy nuclear energy Heat energy

7. mechanical energy energy of moving matter includes sound and motion

8. chemical energy energy stored in bonds between atoms converted to other forms when bonds formed or broken

9. electromagnetic energy energy of light and electricity

10. nuclear energy energy stored in the nucleus of an atom. converted to other forms when nuclei are split or fused

11. Heat energy Energy of fast- moving particles in matter

12. energy is the ability to move or change matter