1. Physical Science

2. Rotation

3. Earth's Revolution

4. Deposition and cementation
Weathering
Deposition and cementation
Erosion

5. _________________, _________________.
Name two possible causes of the increased carbon dioxide concentration in the atmosphere.
_________________, _________________.
deforestation (cutting down of trees)
burning fossil fuels (oil, natural gas, and coal).

6. Volcanos, earthquakes, and tsunami's
Plate Tectonics
Volcanos, earthquakes, and tsunami's

7. In order for electricity to flow, there must be a complete circuit.

8. 1 Month (28 Days)
Gravity
Tides

9. destructive forces such as weathering and erosion.
Mountains are formed where two tectonic plates collide. The mountains are torn down by
destructive forces such as weathering and erosion. 4

10. 2

11. Microwaves
Visible Light
Ultraviolet light
X rays

12. Gravity

13. Amount of tea Type of Tea
If you increase the temperature of the water, then you can dissolve more sugar in the tea.
Amount of tea
Type of Tea

14. 1.5 miles
85 feet

15. Rougher surfaces increase the amount of friction.
Therefore, gluing sandpaper to the surface of the ramp.

16. Newton's Third Law states that for every action force, there is an equal and opposite reaction force.

17. Lever

18. The lowest layers of the rocks are older and therefore contain older fossils.

19. Since diamonds are so hard, they can be used to make tools such as dental drills and metal cutters.
Luster and color are both properties that may add to the beauty of a gemstone.

20. 1.5 miles
85 feet

21. One

22. Gravity

23. Gently scrape the mineral across an unglazed tile.
Streak
Gently scrape the mineral across an unglazed tile.

24. Soluble Means it can dissolve.
Salt
Sand
Water