Science crossword

1. a body of facts, statistics, or information
2. a particle of an atom that holds no charge; located in the nucleus
3. state of matter that has a definite volume and shape
4. any of 118 known substances that make up matter and cannot be separated into simpler substances; also called chemical element
9. process that changes a liquid to a gas at temperatures below the boiling point
10. anything that has mass and takes up space
11. a positively charged particle located in the nucleus of an atom
12. attraction between two objects due to their masses that increases with mass and decreases with distance
13. The variable in an experiment that remains the same
14. a measure of the amount of matter in an object; also, a measure of an object's inertia
16. a standard of comparison in a scientific experiment

1. the measure of how heavy something is for its size; the state or quality of being dense; mass per unit volume
5. a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact
6. the maximum distance that the medium of a wave is displaced from its resting position
7. building block of matter, the smallest particle of an element
8. the bending of a wave as it moves around an obstacle or passes through an opening
9. a negatively charged particle located outside the nucleus of an atom
12. state of matter that has no definite shape or volume
15. the highest point of a wave above the rest position
17. state of matter that has a definite volume but no definite shape