Across
- 2. Is made up of two or more elements that are chemically combined
- 7. Negatively charged particle of the atom
- 9. Can be used to describe a material that can be hammered into sheets
- 10. Subatomic particle whose number is unique to each element
- 12. Found only in plant cells
- 15. Device used to split white light into its colours
- 17. An example of a reflective surface
- 18. The powerhouse of a cell
Down
- 1. The control centre of a cell
- 2. The element represented by the letter "C"
- 3. Anything that has mass and volume
- 4. The body system that breaks food down into nutrients the body can use
- 5. Type of property when a new substance is formed
- 6. The smallest unit of life
- 8. Where protons and electrons are found in an atom
- 11. Are organized on the Periodic Table
- 13. The main gas contributing to climate change
- 14. Made up of tissues
- 16. The smallest particle of matter
- 19. The muscular organ of the circulatory system