Across
- 5. The product of mass and velocity of an object.
- 9. A chemical reaction where a substance loses electrons.
- 11. Materials that can be broken down naturally by microorganisms.
- 12. A substance that increases the rate of a chemical reaction without being consumed.
- 14. A weight suspended from a pivot, used to study motion.
Down
- 1. The distance between two consecutive peaks of a wave.
- 2. A subatomic particle with no electric charge.
- 3. The jelly-like substance inside a cell where organelles are located.
- 4. Atoms of the same element with different numbers of neutrons.
- 6. The organelle in plant cells where photosynthesis occurs.
- 7. The study of heredity and the variation of inherited traits.
- 8. The force that attracts objects toward the center of the Earth.
- 10. Law The relationship between voltage, current, and resistance.
- 13. The smallest unit of matter that retains the properties of an element.
- 15. A protein that speeds up chemical reactions in living organisms.