8A Science so far 2025
Across
- 1. a liquid that dissolves a solid
- 3. used to separate solids from liquids
- 4. lab equipment used for heating objects
- 6. different substances that are combined, but easily separated
- 7. this compound contains 1 carbon atom and 2 oxygen atoms
- 8. highest energy wave of the electromagnetic spectrum
- 10. produced when iron is heated with sulfur
- 12. 2 or more atoms chemically bonded
- 14. elements on the left of the periodic table tend to be this
- 16. the distance between two points on a wave
- 18. a solid dissolved in a liquid
- 19. is larger when sound waves get louder
- 20. what waves transfer from one place to another
Down
- 1. element 11 on the periodic table
- 2. this type of wave makes particles move back and forward as it travels
- 3. relates to the pitch of a sound
- 5. examples are oxygen, carbon, helium. non examples are iron, aluminium and gold
- 9. 2 or more different atoms chemically bonded
- 11. pure substances made of only one type of atom
- 13. largest wavelength of the electromagnetic spectrum
- 15. this type of wave makes particles move up and down as it travels
- 17. the substance a wave travels through