Science Review

3. The name given to group 17 elements in the periodic table.
4. The name given to group 2 elements in the periodic table.
5. The name given to a gas cooling to a liquid.
6. The type of reproduction that only requires one organism.
8. These particles are found in the nucleus and have a +1 charge.
13. The name given to the process of the ovary releasing the egg on day 14 of a female's period.
15. The force that acts on a compass and allows it to always point north.
17. The scientific name for the lining of the uterus.
18. These particles are found in the nucleus and have no charge.
20. All matter is made of __________.
23. This is the part of the cell that makes proteins.
24. The number of electrons on the outer orbital of an element in group 13.
27. The name given to group 18 elements in the periodic table.
28. The name given to a solid turning directly to a gas.
29. The unit of Force.

1. The name given to group 1 elements in the periodic table.
2. The force that is acting against an object in a fluid.
7. The Liquid part of the cell.
8. The name of the organ that allows the transfer of nutrients and waste between a mother and foetus during pregnancy.
9. These particles have a -1 charge.
10. Every cell contains 46 of these in the nucleus.
11. All matter has both mass and _____________.
12. The part of the cell where DNA is found
14. The organ that produces eggs in females.
16. The name given to a liquid turning to a solid.
19. Is often described as a push or pull.
21. The scientific name for a female's period.
22. The force that causes the wheels of cars to wear away.
25. Something that can change and be measured during a scientific investigation.
26. The name of an important gland in the male reproductive system.