Across
- 4. the distance light travels in space
- 7. the heat or coolness of an object circumference is the measurement of a circle
- 8. a scientific tool that lets you see into space
Down
- 1. the absence of light or an old sun
- 2. what some animals do over the winter
- 3. a negative or positive whole number
- 5. a metric unit
- 6. is the measurement of the space an object takes up