Motion
Gravity and Weight
Friction
Force
100
When an object changes its position it is
What is motion
100
Scientist measure weight in
What is Newtons
100
Friction slows down an object's
What is speed
100
Pushes and pulls are called
What is forces
200
How fast an object moves is it's
What is speed
200
Things fall to Earth because they are pulled by Earth's
What is gravity
200
A force that occur's when one object rubs against another object is
What is friction
200
Forces always work in
What is pairs
300
Measuring distance tells you how far an object has
What is moved
300
Your weight on the moon would be less than on Earth because
What is less gravity on the moon
300
To reduce friction, people use
What is slippery things
300
An object changes it's motion when the forces acting upon it are
What is unbalanced
400
Words like: below, left, right, ahead, besides and behind give clues about
What is object's position
400
Gravity is
What is pulling force between two objects
400
Making a slide smoother will
What is decrease the fiction to go down faster
400
Distance is
What is the length between two places
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