1. DESCRIBE HOW YOU CAN FIND THE VOLUME OF AN IRREGULARLY SHAPED OBJECT.

2. Through water displacement.

3. WHAT ARE THE 4 COMPONENTS OF AN ATOM?

5. DESCRIBE TWO WAYS OF REDUCING FRICTION.

6. 1.Add a lubricant (grease, oil). 2.Make the surface smoother.

7. GIVE AN EXAMPLE OF A NON-RENEWABLE FUEL.

9. WHAT HUMAN ACTIVITY HAS CONTRIBUTED TO A RISE IN LEVELS OF ATMOSPHERIC CARBON DIOXIDE?

10. Burning fossil fuels

11. LIST 3 OF THE ENERGY SOURCES WE USE TO GENERATE ELECTRICITY IN THE UNITED STATES AND IN THE WORLD.

12. To generate electricity we can use: 1.Nuclear Power 2.Hydropower 3.Wind

13. WHAT IS REFRACTION?

14. THE BENDING OF LIGHT AS IT TRAVELS THROUGH A DIFFERENT MEDIUM.

15. WHAT HAPPENS TO A SUBSTANCE WHEN IT IS HEATED? WHAT ABOUT WHEN IT IS COOLED?

16. When a substance is heated, it expands. If a substance is cooled it contracts (shrinks).

17. WHAT EARTHLY EVENT IS A RESULT OF THE EARTH’S ROTATION?

18. Rotation results in: 1.Day and Night 2.Daily sunrise and sunset. 3.Daily movement of the stars

19. LIST 3 PROPERTIES OF MINERALS THAT CAN BE USED TO IDENTIFY THEM.

20. Properties to identify minerals include: 1.Color 2.Streak (color of its powder) 3.Hardness (Scratch test) 4.Luster (how it reflects light) 5.Cleavage (how it breaks)