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Name: ______________________________________ Date: __________________
2nd Nine Weeks Benchmark
Study Guide
1.
Potential Energy is converted to _kinetic______________ energy and back to
_potential___________ energy.
2. In every energy transformation there are two outcomes: 1. ___work_________ is done
and 2._heat_______ is given off.
3. In a battery ___chemical_______________ energy is changed to electrical energy.
4. In which substance (solids, liquids, gases) do particles move the slowest? solids_______
5. In which substance (solids, liquids, gases) do particles move the fastest? _gases_____
6. As a substance is cooled the molecules/particles move (faster/slower)? _____________
7. By increasing the _kinetic_________ (kinetic / potential) energy of molecules in a
substance the substances temperature will rise.
8. In order for sound to travel it must have a __medium_________ to travel through.
9. Electromagnetic energy does not require a medium and can travel through the
__vacuum___________ of space.
10. Thermal energy is always transferred from the ___warmer_______ object to the
_cooler___________ object until the two have the same temperature.
11 – 20.
List the form of energy associated with each scenario.
11. Lightning __electrical_______________ energy
12. Fossil fuels (oil, gas, coal) __chemical_________________ energy
13. Battery __chemical__________________ energy
14. Shooting a basketball into a hoop _mechanical___energy
15. The light from a light bulb _electromagnetic_________ energy
16. An atomic weapon _nuclear_____________ energy
17. Heat from a fire ___thermal______________ energy
18. Music coming from the radio __sound___________energy
19. An x-ray of a broken bone ___electromagnetic______ energy
20. A slice of pizza __chemical________ energy
21. In an internal combustion engine (car engine) the correct order of transfer is
_chemical_______energy from the gasoline to __thermal_______ energy of heat from
combustion to __mechanical_______ energy in the motion of the car.
22. When producing electricity from fossil fuels, the correct order of energy
transformation is _chemical___________ energy from the coal to ___mechanical_____
energy turning the turbine, spinning the magnet in the coil of wire to produce
electricity___.