Across
- 4. something that can change in an investigation
- 5. something that scientists make to answer questions
- 7. describes the amount of matter in an object
- 10. what something can do
- 11. why something happens
- 13. Information is sent from the light receptors, through the ________ nerve, to the brain.
- 14. a structure that responds to information
- 16. The predator’s ________ forms an image of the prey.
- 18. how an animal gets information from its environment
- 19. describes the size of matter
- 20. Information from light gets to the _______ receptors at the back of the predator’s eye.
Down
- 1. The _________ System is the system of measurement used in the US.
- 2. describes the amount of space an object takes up
- 3. a description of how something works
- 6. information that supports an answer to a question
- 8. the real world
- 9. Light, which carries information, enters the predator’s eye through the _______
- 12. in from the environment
- 15. to cause light to bounce off a material
- 17. The _______ System is used for ease of conversion and simplicity of terminology.
