Energy Forms
The ability to do work:
Thermal energy
Electrical energy
Energy
Elastic energy
Energy
Transform means...
to change
This is what powers the circuit
Energy source
These poles on a magnet are attracted to one another
Opposite
North and South
When you stretch a rubber band, it has greater ______________.
Elastic energy
What does the law of conservation of energy state?
energy cannot be created or destroyed
Transfer means...
to pass through
The wire that connects all the circuit
Path
This type of magnet can be turned off and on
Electromagnet
What is the purpose of a generator?
Open ended
When an object is moving, it has more ____________ energy.
Kinetic Energy
When an object as both potential and kinetic energy it transforms into what type of energy?
Mechanical Energy
Does not allow electrical flow
Open circuit
True or false: Magnets help power motors and generators.
True
__________ are large spinning wheels powered by water or steam that help create electricity
Turbines
When an object is at rest, it has greater _______ energy.
Potential Energy
Radiant energy from a lightbulb transforms into______ energy.
Thermal
Describe a closed circuit
All wires are connected and energy is free to flow
Repulsion and _________ of magnets cause a motor to spin.
atraction
How can you increase the gravitational potential energy of an object?
Increase the height of the object
What type of energy is stored in the chemical bonds of matter?
Chemical Energy
Describe energy transformations in Newton's Cradle.
The ball held up has PE
The swinging ball has KE
KE transfers (passes) through middle balls
End ball has PE when it swings into air
List two examples of a LOAD
motor, light bulb, fan, buzzer
True or false: The earth has a magnetic field.
True
What type of energy is due to the flow of negatively charged particles?
Electric Energy