Draw a smiley face
before the number if the concept of energy transformation is correct and sad if it is not.

1. Energy transformations are changes that happen in the different forms of energy
2. The heat produced in every energy transformation is released into the environment.
3. There is always 100 percent conversion in every energy transformation
4. Energy can be converted from one form to another to make it more useful
5. Changing one form of energy into another form causes energy to be destroyed
6. Energy that is stored need to be changed or converted into another forms
7. All forms of energy need to be changed or converted into another forms
8. As energy is transformed, the by-product is always heat.
9. The total amount of energy stays the same in any energy transformations
10. Light and heat energy from the sun should be used as they are​