energy
Energy cannot be destroyed or _______________________.
created
Nuclear fusion reactions occur in
the sun
Your body changes chemical energy into _______________________ energy when you walk upstairs.
kinetic
To find an object’s mechanical energy, you add its
Fusion reactions in the sun change nuclear energy into _______________________.
electromagnetic energy
Mechanical energy is associated with the motion, position, or _______________________ of an object.
shape
In a pendulum, a continuous change occurs between kinetic energy and _______________________.
potential energy
Lightning is a form of _______________________ energy.
electrical energy
Potential energy results from the _______________________ or position of an object.
shape
Energy and work are measured in _______________________.
joules
The law of _______________________ of energy states that when one form of energy is transformed to another, no energy is lost in the process.
conservation
A baseball in play has its lowest gravitational potential energy when?
after the ball hits the ground
Power is the rate at which energy is _______________________.
transferred
Energy is the ability to do work or cause _______________________.
Energy is the ability to do work or cause _______________________.
When does a rollercoaster have the most potential energy?
top of first hill