1. A hypothesis is a prediction about the outcome of an experiment. It written as: If I do this……….., then this will happen.

3. GLOBAL WARMING Caused by ________________________ gases like ______________, _____________ ___________________, ________________________________. GreenhouseCarbon DioxideMethane gas Water vaporChlorofluorocarbons (CFCs)

4. The rotation (spinning) of the Earth is responsible for _____________. The position of the Earth and Moon determines the ________________. At position 1 the observers on the dark side of the Earth would observe a ____________(position 1) Observers on Earth would see a ______________(position2). Observers on Earth would see a ________________ (position 3)

5. At which position would the arrow have the greatest potential energy? At which position would the arrow have the greatest kinetic energy?

7. If the metal needle was replaced with a wooden rod, what would happen?

8. Name two possible causes of the increased carbon dioxide concentration in the atmosphere. _________________, _________________.

9. At what temperature can you dissolve 30g of the solid solute? _________________. How many grams of the gas solute can you dissolve in water that is 10 degrees Celsius? __________________.

10. Identify the mineral in the table that is hard, has a black streak, and has no reaction with acid. ________________ Compared to chalcopyrite, which property of galena is different? _________ Describe the test for determining streak for most minerals.

11. As the distance between a water plant species and light source is increased, what happens to the number of bubbles/min.?

12. Amount of Friction~ rolling frictions requires less force than sliding friction.

13. In this process, the house is being provided with ______________. What is supplying the energy to produce the electricity?________. One disadvantage of using this source of energy is ________________________________ _______.

14. Each line on a contour map is called a _______________. The distance in elevation between each contour line is called the _________________. What side of the hill is the steepest? NorthWest The contour interval on this map is _____.

15. The diagram to the right shows the movement of ________________. This type of boundary is classified as a _______________ boundary.

16. Avg. Speed = Distance/Time Independent variable in investigation is _____________(DRY MIX). The average speed of car D 60km/hr C 30km/hr B 20km/hr A 10km/hr

17. The latitude longitude coordinates for point A is _____________. The latitude longitude coordinates for point B is _____________.

19. Diagram 2

23. _________________ in the mantle are responsible for lithosphere plate movement. _________________ is the layer of the earth that is most dense.

24. Group 18 of the periodic table is called _________________. Noble gases do not react with any other elements b/c their outer shelll of electrons is _______.

25. Point B, b/c the magnetic field is strongest at the poles.