Across
- 2. piece of glass or other transparent substance that is used to form an image of an object by focusing rays of light from the object.
- 5. rx^n when one reactant breaks down into two or more products
- 7. The chemical substances which are formed due to a chemical reaction between two or more chemical substances
- 10. the ratio of the height of image to the height of object
- 11. a fist-sized organ that pumps blood throughout your body
- 12. the process of obtaining the food necessary for health and growth.
- 14. To get rid of waste material from the blood, tissues, or organs by a normal discharge
- 15. displacement rx^n type of chemical reaction in which the reactant ions exchange places to form new products
Down
- 1. the change in direction of a wave passing from one medium to another caused by its change in speed
- 3. the movement of any substance from one place to another
- 4. rx^n Reactions in which two or more reactants combine to form one product
- 6. a substance that takes part in and undergoes change during a reaction
- 8. The process of breaking down food into substances the body can use for energy, tissue growth, and repair.
- 9. a reflective surface that bounces off light, producing either a real image or a virtual image
- 13. that point, where the light rays coming from an object meet or appears to meet after reflection or refraction