Across
- 2. The gravitational force exerted on an object by a planet or moon
- 4. A measure of the amount of matter that makes up an object: measured in grams (g)
- 5. A procedure designed to test whether a hypothesis is true, false, or inconclusive
- 6. the size, extent, the importance of something relative to something else
- 7. A force of attraction between all matter
- 9. A period of time characterized by specific weather patterns and by the length of the day and night
- 11. An observable or measurable characteristic of matter
Down
- 1. Something that happens in a regular and repeated way
- 3. A substance entirely made up of one kind of atom
- 4. Everything that has mass and takes up space
- 8. The smallest piece of matter that has the properties of an element
- 9. All knowledge gained from experiments
- 10. Dark shapes are created when an object blocks light
