Chemistry final project.

1. send into the air
4. anything having mass and taking up space
7. how far something is
8. to discover or notice.
10. a rearrangement of atoms into new substances
12. a perceptible occurrence or fact.
13. explosive warhead carried by a missile.
14. useable power such as heat or electricity
16. the figure made by two lines coming from a single point.
18. make (someone) do something against their will.
19. a substance made from a chemical reaction
20. Bang the rapid expansion of matter from a state of extremely high density and temperature
22. the substances that combine in a chemical reaction
23. the line where the earth and the sky appear to meet.

2. a chemical reaction between a fuel and oxygen
3. Move quickly
5. the emission of energy as electromagnetic waves or as moving subatomic particles,
6. the basic unit of matter
8. to perceive or make out.
9. that which follows; result.
11. to change into a different form or state.
15. operating well without much waste.
17. they show variation in data on a graph
19. actions taken to make or do something.
21. the force by which all objects in the universe are attracted to each other.