Across
- 3. The electric force that pushes electrons through a wire
- 4. The process plants use to make food using sunlight
- 7. Community of living things and their environment
- 10. A final decision or summary based on evidence and results
- 12. A Pure substance made of one type of atom
- 13. Data or observations that include numbers and measurements.
- 14. A Part in space with gravity so strong nothing escapes
- 17. A conclusion or idea based on observations and reasoning
- 18. Able to last over time without harming the environment
- 21. Two or more atoms chemically bonded together
- 22. An atom that has gained or lost electrons and has a charge
- 24. A change in DNA that can lead to different traits or problems
Down
- 1. A rocky object in space that orbits the sun and is usually in a belt
- 2. An educated guess
- 3. The amount of space something takes up
- 5. Data or observations described using words but no numbers
- 6. Particles moving from high to low concentration
- 8. A ball of ice and dust that orbits the sun and has a tail
- 9. The variety of living species in an ecosystem
- 11. Information gathered using the senses
- 12. When one space object blocks light from another, like the sun or moon
- 15. The amount of matter in an object and measured in grams or kilograms
- 16. A closed path through which electric current can flow
- 19. The distance light travels in one year in space
- 20. A pure substance made of one kind of atom
- 23. The part of a cell that holds DNA and is the brain