Across
- 3. always consist of a certain digit and an estimated digit
- 8. a variable that does not depend on another variable to change
- 10. a variable held constant to determine if an effect occurred
- 12. have a positive charge
- 14. a change in matter that does not change the identity of the substances
- 16. have no charge
- 17. the space an object occupies(L*W*H)
- 20. to describe where electrons are located on the atom is electron _____?
- 21. each row on the periodic table represents a different electron ____?
- 24. mass/volume
- 25. a wave is how long the wave is, from peak to peak
- 26. something that can change
Down
- 1. how many waves pass through a given point in one second
- 2. deals with what you see
- 4. a radiation that is a combination of an electric and magnetic
- 5. have a negative charge
- 6. zeros that are at the end of the numbers, IF there is NO decimal point, none of them count
- 7. zeros that are stuck between numbers always count
- 9. a variable that depends on another variable to change
- 11. zeros that come before a number never count
- 13. close to the right answer
- 15. several measurements are close together
- 18. deals with numbers
- 19. amount of stuff/matter in a substance (measure in grams)
- 20. a change that changes the substances into something else
- 22. a state when an electron is at its lowest energy level
- 23. a system that is internationally agreed upon standard of measurement based on the meter and the kilogram
- 27. a state when it has absorb energy