What is potential energy?
stored energy
Kinetic energy is the energy of _________.
motion and movement
What is mechanical energy? Give an example.
Energy of motion that includes all potential and kinetic energy. An example of mechanical energy is a train running along a track or a person juggling.
List the energy transformations for turning on a lamp
electrical->light
Oil is a (renewable/nonrenewable) resource
Nonrenewable
give an example of an object with potential energy.
answers will vary
If a ten pound bowling ball and a baseball are rolling down a ramp at the same speed, which one would have more kinetic energy? Why?
The bowling ball because its mass is greater
What is thermal energy? Give an example.
Thermal energy is the energy of heat. An example of thermal energy is a fire, an oven, or a lamp that heats when lit.
List the energy transformations for a portable, battery- operated speaker being turned on by a human.
chemical-> sound
True/False. Energy can be created and/or destroyed.
False
4 meters
DOUBLE JEOPARDY List the 5 types of kinetic energy.
MELTS
What is electrical energy? Give an example.
Electricity- Electrical energy comes into schools, houses, and businesses, and objects like microwaves, computers, TVs, etc. use electrical energy to work.
List the energy transformations for a Snickers candy bar giving a toddler a sugar rush
chemical-> mechanical
DOUBLE JEOPARDY Coal, oil, and natural gas are all examples of
fossil fuels
What type of potential energy is stored in a battery?
Chemical energy
What two types of energy does a hairdryer produce and why? (hint- not electrical)
sound- b/c it makes noise thermal- b/c it creates heat
What is radiant energy? Give an example.
Energy that can be seen as light and felt as heat. An example of light energy is electromagnetic rays from the sun reaching Earth.
Johnny pulls back a rubber band and launches it across the room. What type of energy transformation happened here.
potential -> kinetic
Electrical Energy that is created from the kinetic energy of moving water
Hydropower
As a cyclist travels up a hill, their potential energy is (increasing/decreasing)
increasing
As a cyclist travels downhill, their kinetic energy- (increases/decreases)
increases
List 3 types of energy that a car has
thermal, light, heat, sound, mechanical
Name the energy transformation that occurs when gasoline burns in a car
chemical (in the fuel) -> mechanical (movement)
If the mass of an object increases, its kinetic energy will increase. What is the dependent variable in this hypothesis?
kinetic energy