Across
- 3. Burning is … change.
- 5. What is the proton number of Helium?
- 6. Positively charged particle in an atom.
- 7. Method to separate sand and water
- 10. Potassium, iron and gold are examples of ..
- 11. You need to use a ...to separate iron fillings and sand.
- 12. Iron is shiny, carbon is ….
Down
- 1. A...is formed from different types of element.
- 2. Same type of atoms fuse together to form...
- 4. Ability to lengthen when pulled or bent.
- 7. Method to separate water and oil.
- 8. The simplest particle in matter is called...
- 9. A....of an atom consists of proton and neutron.