Vocabulary Set 1
Vocabulary Set 2
Balanced or Unbalanced
Explain the Image
Fill in the Blank
100
What does the term "motion" mean?
It means in movement.
100
Speed in a certain direction is called:
velocity, speed, accelleration
Velocity
100
Balanced or Unbalanced Force:
A person standing in front of the class.
Balanced
100
Explain the road sign. Will the car have to use negative or positive acceleration?
The sign says to slow down. The car will have to use negative acceleration.
100
An object that is not in motion will ______ move if balanced forces act on it.
always, sometimes, never.
never
200
What is a frame of reference?
It's something in a background that will help a person see if something is in motion.
200
What is force?
A push or pull
200
Balanced or Unbalanced: A flag is moving because of the wind from a hurricane.
Unbalanced.
200
Explain the photo and whether it is an unbalanced or balanced force.
Answers will vary.
200
You can move an object because you have created:
gravity, an unbalanced force, a balanced force.
an unbalanced force
300
True or False: Without a frame of reference, we would not know whether an object is in motion.
True
300
Explain gravity.
It's the force that pulls everything on Earth to the ground.
300
Balanced or Unbalanced: You place a mug on your desk.
Balanced
300
Explain what is happening in the photo. What is causing the apple to fall?
There is an unbalanced force and the gravity is pulling the apple to fall to the ground.
300
Forces differ in:
size only, direction only, size and direction
Size and direction
400
The distance something moves in a certain time is called:
motion, speed, velocity
speed
400
What is a satellite?
A computerized device that allows us to study, take photos, and better understand the Earth.
400
Balanced or Unbalanced: A toy boat sinks to the bottom of a pool.
Unbalanced
400
Explain the image. What is the purpose of the device in the sky?
It's a satellite. It is orbiting the Earth, taking photos, and collecting data.
400
The man who came up with ideas that became laws of gravity:
Isaac Newton, Fredreck Newton, Isaac Rodriguez
Isaac Newton
500
What is positive accelleration?
Going faster.
500
What is negative accelleration?
Slowing down
500
Balanced or Unbalanced: Fruit falling from a tree.
Unbalanced
500
Explain how a person would know the car in this image has moved. 
The tree can be used as a frame of reference.
500
The Earth has _____ gravity compared to the moon.
stronger, no, the same amount of
stronger