These two forces act on objects without touching them.
What are gravity and magnetism?
100
These are three ways to describe motion.
What are position, direction, and speed?
100
This is called the fourth state of matter.
What is plasma?
100
You can apply this to reduce friction between two surfaces.
What is a lubricant?
200
The _______________ the line, the faster the motion.
What is steeper?
200
The needle of a compass moves because of Earth's ______.
What is magnetism?
200
Three words to describe position are ____________, _____________, ________________.
What are behind, beside, and below?
also acceptable: ahead of, in front of, above
200
Sometimes called air resistance, this force opposes an aircraft's motion through the air.
What is drag?
200
A ball has two forces acting on it. One force is pushing it to the left and a larger force is pushing it to the right. This is the direction the ball will move.
What is right?
300
When the line on a distance-time graph levels off, the object in motion does this.
What is stop?
300
This force opposes motion between two surfaces that are touching.
What is friction?
300
These are three words that describe direction.
What are north, south, and east?
also acceptable: west, left, right
300
This law states that objects at rest will stay at rest and an object in motion will stay in motion unless acted upon by an outside force.
What is Newton's First Law of Motion?
300
An object is in a state of ____________ when all the forces acting on it balance each other.
What is equilibrium?
400
DRY MIX is an acronym that means:
D-
R-
Y-
M-
I-
X-
What is
D- dependent
R- responding
Y- y-axis
M- manipulated
I- independent
X- x-axis?
400
_____________ forces have a net force of zero.
What are balanced?
400
These types of forces cause motion.
What are unbalanced forces?
400
This law states that for every action there is an equal and opposite reaction.
What is Newton's Third Law of Motion?
400
A ball is rolling and eventually comes to a stop. __________ is the force most likely responsible for this.
What is friction?
500
Of the three types of variables in an experiment, you do not graph this type of variable.
What is the controlled variable?
500
These are three variables that affect friction.
What are texture, mass, and lubrication?
500
You put two blocks on a table. Block A moves toward Block B without anything touching it. This feature of Block B can explain why this is happening.
What is magnetic?
500
Force=mass x acceleration is Newton's _______ Law of Motion.
What is second?
500
If there are two objects with the same mass and one is acted on by a greater force than the other one, the one acted on by a greater force will have the greatest change in ________________.