Earth Science

1. These lines tell us how far north or south of the equator we are.
4. An atom with an electrical charge due to the gain or loss of one or more electrons.
9. A substance that is made from two or more chemical elements in a fixed proportion, whose atoms are bonded together.
10. This form of matter has definite shape and volume.
11. This sphere of earth contains all the water on earth.
12. These are chemically the most basic and simplest substances.
13. There are ______ states of matter.
14. This form of matter doesn't have a definite volume or shape.
15. A ______ table organizes and shows us all the elements
17. This is anything that consists of interacting parts.
19. This is the outermost layer of earth.
20. An educated guess that answers a question

1. This form of matter has a definite volume but a fluid shape.
2. _____ fuels are the main example of non-renewable resources
3. The atomic ______ represents the number of protons
5. These lines tell us how far east or west of the prime meridian we are.
6. This type of resource can be replenished in a short time.
7. A naturally occurring, inorganic solid substance with an orderly crystalline structure and a definite chemical composition.
8. This sphere of earth contains all the life on earth.
16. This is the innermost layer of earth.
18. The atomic ________ represents the number of protons AND neutrons.