Vocabulary
What is energy?
The ability to do work or cause change. It is involved when anything moves or changes.
Energy cannot be_________ or __________, but it can ________________________________.
Energy cannot be made or destroyed, but it can change forms and transfer.
What is a collision?
When one object bumps into another object
What is all matter made of?
All matter is made up of moving particles.
What is a conductor?
Material that allows electricity flow easily through
A material that stops the flow of electricity.
The more speed an object has, the more____________ it has.
Energy
Energy can move between objects through ____________ of energy.
Transfer
How does sound energy travel?
Through sound waves
What happens when two particles have the same charge?
They repel
What is a resistor?
A device to control the flow of electricity
What does kinetic energy depend on?
Mass and speed
What happens during a collision?
During a collision, energy is transferred
What is a wave?
It’s a form of the transfer of energy
An electric current needs a _______________ to keep moving.
Source
What is an electric charge?
A property that causes matter to have electric force
What happens when energy is transformed?
When energy is transformed, it changes from one kind of energy to another kind.
Explain: How do you know that a falling domino that causes another domino to move has energy?
Energy transfer
How is energy transferred?
Energy can be transferred through heat, sound, light, or electricity
How do electric currents flow in circuits?
In a circle
What is an electric current?
A flow of charged particles in the same direction.
When do we see the effects of kinetic energy?
We see the effect of kinetic energy when something moves from place to place.
What can collisions result in?
Collisions can result in an energy transformation into light, heat, sound, and chemical energy.
What causes a pattern (wave)?
Air particles vibrate and separate cause a sound wave
What happens when current is pushed through a resistor?
The electric energy is changed to light or heat.