Vocab
The ability to do something
What is Energy?
What two factors does Kinetic Energy depend on?
Mass, Velocity/Speed
This is the combined total of potential and kinetic energy
What is mechanical energy?
Describe the energy transformation/transfer: A book falls off a shelf
The book's gravitational potential energy transforms into kinetic energy
Energy from motion
What is Kinetic Energy?
What 3 factors determine Gravitational Potential Energy?
The law of conservation of energy says that:
energy in a system cannot be created or destroyed, it stays the same
A toy car's batteries power it, making it move
the car's chemical potential energy transform into kinetic energy
Stored energy due to forces of gravity
What is Gravitational Potential Energy?
If an object's speed increases, what will happen to its Kinetic Energy?
It will increase
When energy changes from one type to another, it is called:
Transformation
A soccer ball hits another soccer ball, causing it to move
the ball transferred some kinetic energy to the second ball
Energy that is generated by friction, increasing the temperature of an object
What is Thermal Energy?
It will decrease
When energy goes from one object to another, it is called
A child goes down a slide
the child's gravitational potential energy transforms into kinetic energy
Energy transferred from one object to another by applying a force across a distance
What is Work?
If you compress a spring, what will happen to its elastic potential energy
it will increase
*Challenge* This is a type of energy transfer where thermal energy moves through direct contact between particles, such as a hot pan heating up food
What is conduction?
The rails of a rollercoaster are warm after the ride slows down
the coaster's kinetic energy transforms into thermal energy and is transferred to the rails