1. Big Study Guide. 1. To be seen, objects must produce or reflect light into the eye.

2. Big Study Guide. 2. Visible light is the colors “Roy G. Biv” found near the middle of the electromagnetic spectrum.

3. Big Study Guide. 3. Radio waves have the longest wavelength and gamma rays have the shortest.

4. Big Study Guide. 4. Light will travel in a straight line until it strikes a different substance.

5. Big Study Guide. 5. Each convex lens bends light to make objects appear larger in a microscope.

6. Big Study Guide. 6. White light is separated into the colors of the visible spectrum by a prism.

7. Big Study Guide. 7. Refraction causes light rays to spread out with a concave lens.

8. Big Study Guide. 8. Law of reflection: angle of incidences equals angle of reflection.

9. Big Study Guide. 9. Similar cells make tissues and organs are composed of different kinds of tissues. Organ Tissues Cells The brain is made of more than two tissues, so it is an organ.

10. . 10. Photosynthesis requires sunlight, carbon dioxide, and water.

11. . 11. Photosynthesis occurs in the chloroplasts of plants.

12. . 12. Photosynthesis produces oxygen and sugar/food/glucose.

13. 13. Respiration is a cell process that uses energy in food and oxygen.

14. . 14. M itochondria in Cells use oxygen to get energy from sugar.

15. . 15. Plant cells have chloroplast, chlorophyll, and cell walls; animal cells don’t.

16. . 16. Animal and plant cells have mitochondria for respiration.

17. . 17. The organelle that directs all the activities of the cell is the nucleus.

18. . 18. Chromosomes found in the nucleus, are DNA pieces that contain genes.

19. . 19. In the cell cycle, Mitosis is where the nucleus divides.

20. . 20. After cell division, exact copies of the parent cell’s genetic material are contained in each daughter cell.