Vocabulary
the change in the position of an object
Motion
Fill in the blank:
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, what must you apply?
force
the ability to do work
Energy
This causes a ball to fall to the ground
Gravity
Energy associated with light - x-rays
Radiant Energy
What units do we use to measure Force?
Newtons
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 force that works against motion
Friction
Sound is what form/type of energy?
Mechanical (Motion) Energy
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)
The combination of all forces acting on an object. All combined forces at to 0.
Net Force
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