Across
- 1. Highest density
- 5. Father of the modern periodic table
- 7. A type of resistive force
- 10. Law that links force and extension
- 11. Appliance that produce less wasted energy
- 12. Two or more elements joined together
- 13. This material is a great insulator
- 16. A muscle in the arm
- 18. An organisms lives here
- 19. Gas to liquid
- 21. These organisms reproduce asexually
- 23. Mass per unit volume
- 24. Solar, wind and tidal power
- 26. Muscle contractions in digestion
- 27. rain A result of sulphur dioxide pollution
- 28. Aerobic respiration takes place here
- 29. Heat transfer in solids
Down
- 2. A drug that increases heart rate
- 3. Test for carbon dioxide
- 4. A seed grows
- 6. Objects slow down in water because of this
- 8. Site of gas exchange
- 9. A liquid that allows certain solids to dissolve in
- 11. Extra solute is visible at the bottom in the solution
- 14. A type of energy stored in objects in the air
- 15. Combustion releases heat
- 17. Group 1 in the periodic table
- 20. Solids and liquids don't have this ability
- 22. Breaks down starch into glucose
- 25. Name of sac that holds a developing foetus