Show:
Newton's Laws
Friction and Such
Wildcard Questions
Motion and Force
Scientific Investigation
100
Newton's first law of motion is commonly called this.
What is the law of inertia?
100
The tires on a car traveling down the freeway are subject to this type of friction.
What is rolling friction?
100
This is the force that results from two surfaces rubbing against one another.
What is friction?
100
When an object is not in motion it is said to be this.
What is at rest?
100
In a scientific investigation the variable that is not changed is called this.
What is the control variable?
200
Newton's second law is based on math: F = m * a The F stands for this.
What is force?
200
Friction always produces this.
What is heat?
200
The force that pulls anything on the earth's surface toward the center of the earth.
What is gravity?
200
An apple sitting on a table is an example of this type of force.
What is balanced?
200
Scientists ask questions and then make an educated guess that is called this.
What is a hypothesis?
300
Newton's third law states that for every action there is an equal and opposite ________.
What is reaction?
300
Dragging a backpack on the ground is sure to produce this type of friction.
What is sliding friction?
300
Energy that is being used up is called this.
What is kinetic energy?
300
A moving object will travel in this type of line unless acted upon by outside forces.
What is a straight line?
300
It hurts when you belly-flop into water because of this property of water molecules.
What is cohesion?
400
An object will remain in motion or at rest until this type of force is acts on it.
What is an outside force?
400
You can feel this if you stick your hand out of a car window cruising down the road on a summer day.
What is air resistance?
400
Newton said that an object's acceleration depends on these two things.
What is force and mass?
400
The word equilibrium means that an object remains at rest because the forces acting on it are this.
What is equal (or balanced)?
400
In a scientific investigation the part of the experiment that is changed is called this.
What is the independent variable?
500
Getting a kickback in the shoulder while shooting a shotgun is an example of this law of motion.
What is the third law of motion?
500
This type of energy hasn't been released yet, but is ready to go when needed.
What is stored (or potential) energy?
500
How fast and in what direction an object is traveling is called this.
What is velocity?
500
A skateboarder at the top of a ramp has this type of energy.
What is stored (or potential) energy?
500
Water molecules will do this when they are heated.
What is speed up or increase speed?