Kinetic Energy
The kinetic energy of an object is equal to one half its mass multiplied by its speed _________.
Squared
The gravitational potential energy of an object is equal to its weight multiplied by its ________.
Height
To find an object’s mechanical energy, you add its _______________.
Kinetic & Potential Energy
Energy is the ability to do work or cause __________.
Change
Nuclear fusion reactions occur in _________.
The Sun
A change in an object's speed has a(n) _________ effect on its kinetic energy than a change in its mass.
Greater
Potential energy results from the ________ or position of an object.
Shape
A form of energy NOT associated with the particles of objects is _______.
Energy and work are measured in ___________.
Joules
Mechanical energy is associated with the motion, position, or _____________ of an object.
Shape
A man weighing 80 kg is running at a speed of 2.5 m/s. What is the man’s kinetic energy?
HINT: 1/2 mass x velocity2
250 J
A stretched rubber band has ______________ energy.
Elastic Potential
The total potential and kinetic energy of the particles of an object is the object's ______.
Thermal Energy
When you do work on an object, some of your energy is ___________ to that object.
Transferred
Lightning is a form of ______________.
Electrical
How can you minimize the transfer of thermal energy?
Use an Insulator
The breaking of ____________ bonds in food releases energy for your body to use.
Chemical
Electromagnetic energy travels through space in the form of _________________.
Waves
Power is the rate at which energy is _____________.
Transferred
The _____________ the temperature of an object, the lower its thermal energy.
Lower
A ball is about to roll down a ramp. What happens to the transfer of potential energy to kinetic energy if you make the ramp steeper?
A mountain climber at the peak (top of the mountain) has ______________ energy.
Gravitational Potential
Electrical energy is the energy of _________.
Electrical Charges
A change from one form of energy into another is called ____________.
Energy Transformation
What type of energy does a spinning turbine have?
Mechanical Energy