Across
- 3. a set of things working together
- 4. The study of objects/ materials and sources
- 8. When u test a scientific hypothesis
- 9. Holds Planets, Galaxies, stars, moons and another word for it is known as Space
- 10. How much an object weighs
- 11. An activity or study of structure and behaviour of the physical and natural world
- 12. The study of living things
Down
- 1. The nature and properties of matter and energy
- 2. A transparent object that refracts light
- 5. The study of chemicals and reaction
- 6. When light passes through water and splits into the light spectrum
- 7. When something if reflected