Across
- 5. takes place when energy changes from one form into another form
- 6. transmitted through space in the form of electromagnetic waves; can travel through empty space
Down
- 1. the faster the molecules in an object move, the more ______________ the object has
- 2. the sum of an object's kinetic energy and potential energy
- 3. states that energy cannot be created nor destroyed - it can only change forms
- 4. the ratio of useful output energy to total input energy