Show:
Motion
Force
Potential Energy
Kinetic Energy
Friciton
100
Motion is described by an objects __________ and ________.
Direction and Speed
100
Name 3 types of force
Gravity, friction, elasticity, electricity, and magnetism
100
Stored energy is...
Potential Energy
100
The energy of motion is...
Kinetic Energy
100

What is friction?

 A force that opposes motion between two surfaces in contact

200
Examples of directions are...
Up, Down, Foward, Backwards, etc
200
What is the force that occurs when matter rubs against matter?
Friction
200
Which has more potential energy the clock, or something hung on the concept board?
The clock
200
Which has more kinetic energy a fast ball thrown by Tyler B., or an underhanded pitch thrown by Mr. Kemp?
Fast ball by Tyler
200

Which of the following surfaces would likely create the most friction?

  • A) Ice

  • B) Smooth metal

  • C) Rough sandpaper

  • D) Wet floor

c

300
Speed equals ________ _________ dived by ________ spent moving.
distance traveled, time
300
What force allowed Ms. Green to throw a tennis ball make it pause mid air, and return to her?
Gravity
300
The _________ an object is the more potential energy it has.
higher
300
All ______ objects have kinetic energy.
Moving
300

Why does a ball rolling on the ground eventually stop?

Friction between the ball and the ground slows it down

400
What is the property of matter that causes it to resist an change of its motion in either speed or direction.
Inertia
400
When friction occurs so does ________.
heat
400
Where would a child have more potential energy at the top of a slide or at the bottom.
top
400
What is one time of the day that you use kinetic energy?
Example: gym, recess, or taking notes.
400

What could you do to reduce friction when sliding a heavy box across the floor?

Create less friction by putting a blanket or wheels under it. 

500
Unless acted on by a force objects in ________ tend to stay in _______, and objects in _____ tend to stay in _____.
motion, motion, rest, rest
500
What is a push, or pull that causes an object to move, stop, or change speed or direction.
Force
500
Name three different objects in the room with potential energy, then order them from most potential energy to least.
Example: clock, a book on a desk, and a pencil on the floor.
500
Which point on a roller coaster would the kinetic energy be the highest.
At the bottom of the hill.
500

Explain why athletes wear shoes with special soles when playing sports.

to create friction