1. Hydroelectric come from the energy of fallen water. 2. Using fossil fuels is the main reason of global
3. Turning off the lights, TV and computer when we aren't using them is a way to , or save energy.
4. Energy efficient light bulbs use energy than normal light bulbs.
5. is made from trees.
6. energy comes from things besides fossil fuels.
7. You can or bike to school instead of driving.
8. Most of the energy we use around the world comes from .

Please answer these quickly. I'm tired.

4. now look at the green lines you created by connecting the three boiling point data points and the three melting point data points. for each of these lines, describe any trends you see. 5. locate the elements on your periodic table that you circled in green on your graph. what term or description would you use to identify these elements with respect to the periodic table? 7. using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers.