Science Refresher Crossword
Across
- 3. Smallest unit of an element that retains its properties
- 4. Force that pulls objects towards the center of the Earth.
- 6. The unit for measurement of time.
- 9. The largest organ of the human body.
- 10. Substance that carries genetic information for living organisms
- 13. Protective out layer of an animal cell is called cell ___
- 15. powder transferred from plant to plant by bees; common allergen
- 17. Process by which plants convert sunlight, CO2 and water into glucose and oxygen.
Down
- 1. Study of how traits are inherited from parents to offspring
- 2. Substance that speeds up a chemical reaction without being consumed
- 5. The unit of measurement for sound.
- 7. Process of liquid turning into a gas
- 8. The measure of the amount of matter in an object
- 11. Cell structure that controls activity and store genetic information
- 12. particles with a positive charge in an atom
- 14. The unit of measurement for force.
- 16. Basic unit of life.