Vocabulary
the change in the position of an object
Motion
There is less friction on a _______ surface.
Smooth
Energy in motion - a roller coaster going down a hill
Kinetic Energy
To put an object in motion, you have to _______.
Apply a force
A solar panel charging a phone.
the ability to do work
Energy
This causes a ball to fall to the ground
Gravity
Energy associated with light - x-rays
Radiant Energy
You need these two things to describe your speed
1. Distance
2. Time
(60 MILES per HOUR)
A wind turbine spinning.
any push or pull
Force
The more massive the object, the _______ the force needs to be.
Greater
Energy associated with heat - Clothes Dryer
Thermal Energy
The amount of matter in an object
Mass
A battery powering a toy.
A force that works against motion
Friction
Something with a lot of ________ is hard to stop or start moving.
Inertia
Stored Energy - A rubber band that has been stretched as far as it will go
Potential Energy
Which item would have more mass, a pool inner tube or a watermelon? Why?
A watermelon, because it is a solid and contains more atoms (matter)
A speaker playing music.
The tendency of an object to keep doing what it is doing- staying at rest or staying in motion
Inertia
Mrs. Sparks' car broke down. She tried pushing the car, but it wouldn't move. Her husband got out of the car and helped her. Together they were able to push the car to the side. Why wasn't Mrs. Sparks able to move the car by herself?
The car has a lot of mass. This means you need more force to move it. Together, Mrs. Sparks and her husband had more force and were able to move the car.
Energy associated with moving parts - Blender
Mechanical Energy
Chemical Property/Change
A bicycle being pedaled.