review

2. The part to hold when moving
6. For measuring a volume of liquid accurately
9. the branch of science that studies the composition,
10. the powerhouses of the cell.
12. For measuring a volume of liquid accurately.
15. Source of light
17. the important attitudes in Science
19. the study of nature by making observations and doing experiments.
21. to clip the specimen
22. Controls what enters and exits the cell
24. For transferring quids into a flask
25. the skill of drawing conclusions from observations or information gathered.
26. magnifies objects
27. plant cells usually break down waste through the vacuole.

1. is the amount of space occupied by a substance or an object.
3. Focusing the image quickly
4. For containing chemicals when preparing gases if the process requires No heating
5. electrical experiments and the invention of the lightning rod.
7. is the skill of using the senses to find out about things or what is happening
8. is a measure of the extent of a surface.
11. Sl unit of time is
13. helps us understand the things around us and solve problems
14. produce proteins, which are essential for cell growth, repair, and function.
16. Example substances Irritating or stimulative substances
18. Example substances Poisonous or toxic subtances
20. For heating solids directly over a flame
23. the study of the Earth’s structure