Energy
Energy is the ability to do work or cause _________.
change
A mountain climber at the peak as _____________ ____________ energy.
gravitational potential
Electromagnetic energy travels through space in the form of ____________.
waves
All forms of energy can be _______________ into other forms of energy.
transformed
Lightening is a form of ____________ energy.
electric or electrical
We measure energy and work in ______________.
joules
A stretched rubber band has ___________________ _________________ energy.
elastic potential
Nuclear _________ reactions occur in the ______.
fusion; sun
Energy can neither be _____________ nor ____________.
created; destroyed
Electrical energy is the energy of _____________ ____________.
electrical charges
_________ is the rate at which energy is __________.
Power; transferred
The gravitational potential energy of an object is equal to its weight multiplied by its ____________.
height
The breaking of __________ bonds in food releases energy for your body to use.
chemical
A baseball in play has its lowest gravitational potential energy when it _________________________.
hits the ground.
To find an object's mechanical energy, you add the ____________ energy and ___________ energy.
kinetic; potential
When you do _________ on an object, some of your energy is ____________ to that object.
work; transferred
_________________ energy results from the ____________ or position of an object.
Potential; shape
The _______________ the temperature of an object, the lower the thermal energy.
lower
Whenever a moving object experiences friction, some of its kinetic energy is changed into ____________ energy.
thermal
_____________ ______________ is associated with the motion, position, or shape of an object.
Mechanical energy
A _________________ in an object's speed has a(n) _______________ effect on its kinetic energy than its mass.
change; greater
Kinetic energy of an object is equal to one-half its mass multiplied by its speed ______________.
squared
Which types of energy are associated with particles of an object?
thermal, nuclear, and chemical
Fusion reactions in the sun, change nuclear energy into _______________________ ________________.
electromagnetic energy
The total potential and kinetic energy of the particles of an object is the object's ___________ _____________.
thermal energy