Science

1. Can lose its magnetic field when no current passes through it.
4. Builds up on the surface of an object until it finds a way to be released or discharged.
6. Example: Friction, Air resistance and water resistance.
9. Type of energy in food.
11. The turning effect of a force.
12. Examples are fungi, bacteria and insects.
15. Absorbs light energy
18. When excess nutrients flow into water causing plants to overgrow.
20. Variety of living organisms in an area
21. The products store more energy than the reactants.
22. Is used in aerobic respiration and in making proteins.
25. The process that makes rubber more resistant to heat, cold, and chemicals.

2. The process of changing to suit different conditions
3. The amount of force with which gravity pulls things.
5. An exothermic reaction in which a metal oxide is reduced using a reducing agent.
7. The space around any object with mass where its gravity attracts other masses.
8. Contains a wheel and a rope to lift heavy objects.
10. Becomes hollow when it's dead
13. The chemical process that uses electric current to split a compound into its elements.
14. Where chromosomes are located.
16. The only cell in the human body that has 23 chromosomes.
17. Farmers use this to kill insects.
19. An atomic particle with no charge.
23. Voltage(V)/ Current (I)
24. A point about which something turns—another name for pivot.