Across
- 1. Object that attracts certain metals, like iron or steel
- 3. Remains of plants or animals from long ago, preserved in rock
- 7. Plants using sunlight, water, and carbon dioxide to make food and oxygen
- 10. Force pulling objects toward one another, like to the Earth
- 11. Community of living things and their environment interacting together
- 12. Mountain that sometimes erupts with hot lava and ash
Down
- 1. Tool for seeing tiny things invisible to the naked eye
- 2. Large, extinct reptiles that lived millions of years ago
- 4. Creating a new device, method, or process to solve problems
- 5. Test or investigation to learn about how things work
- 6. Energy that powers devices and appliances
- 8. reaction When substances mix and change into something new
- 9. Study of stars, planets, and objects in outer space