Types of Energy
The energy of electrical charges
Electrical Energy
The ability to do work or cause change
Energy
If an object has a high temperature and high thermal energy, how would its particles move?
Very quickly.
How many energy transformations happen in a day?
Multiple transformations
The transfer of energy into thermal energy of an object is called....
Heat
Energy of motion
Kinetic Energy
The rate at which work is done is known as
Power
What type of energy is responsible for powering devices like TVs and computers?
Electrical energy
What happens during energy transformation?
One form of energy changes into another.
It takes an Amazon worker 10 minutes to load a truck. How can Amazon workers increase their power when loading a truck?
multiple answers
The energy of an object that is still
Potential Energy
Give an example of an object in motion (has kinetic energy)
Various answers
sample: car driving, person running, kicking a ball
What kind of energy is there when our bodies digest food?
Chemical energy
Does the amount of energy in a system change?
No, it always stays the same. It transfers.
The relationship between energy and motion involves...
Forces
A form of potential energy, its stored in food and fuel
Chemical Energy
True or False: Work is being done if you try to open a jar and it doesn't open. Explain your answer.
False because in order for work to be done, there needs to be motion/something needs to move.
True or False: Energy comes in many different forms.
True
When potential energy decreases, what happens to kinetic energy?
It increases
Where does fusion take place?
Inside the sun
Mechanical energy
What is a force?
A push or a pull.
What happens during the nuclear reaction fission?
a. the nucleus splits into smaller fragments
b. the nucleus gets bigger
c. the nucleus disappears
a. the nucleus splits into smaller fragments
When you kick a soccer ball, how is energy transferred?
The kinetic energy transfers from your body to the soccer ball.
Multiple responses
What does the Law of Conservation of Energy state?
Energy CANNOT be created or destroyed. Energy transfers from one thing to another