Across
- 3. when an object is staying still or moving at a constant speed the forces must be described as this
- 5. this is where photosynthesis occurs in a plant cell
- 8. a substance that cannot conduct electricity or heat
- 9. the term to describe a gas becoming a liquid
- 11. plants need this substance from the soil as a raw material for photosynthesis
- 13. the current is a flow of these charged particles
Down
- 1. plants have a cell wall, chloroplasts and what other structure that animal cells do not have
- 2. this gas is produced by plants in photosynthesis and breathed in by humans
- 4. this is the jelly like substance where chemical reactions occur in a cell
- 6. the process where a liquid becomes a gas
- 7. an electrical circuit with only 1 path for the current to flow
- 10. what happens to the brightness of bulbs as we add them in series in a circuit
- 12. this is the melting point of ice