Unbalanced vs. Balanced Forces & Newton's Laws & Forces
Calculating Speed
Distance vs. Time Graphs
Kinetic vs. Potential Energy
Electricity
Mechanical Advantage and Simple Machines
100
In a tug-of-war game, balanced forces are represented when?
When the two teams do not move.
100
A duck flies 60 meters in 10 seconds. What is the speed?
6 m/s
100
What type of speed is shown? 
Stopped
100
In gym class, a student kicks a ball. As the ball goes upward, what type of energy is increasing?
Potential Energy
100
A switch that can open or close a circuit is used to do what?
Start or Stop the Current
100
What simple machine is BEST to flatten the dough?
Wheel and Axle
200
What is the net force of an object that has 100N pushing to the right, and 50N to the left?
50N to the right.
200
A beetle crawls 2 cm in 10 minutes. What is its speed?
.2 cm/min
200
What type of speed is shown?
Constant Speed
200
What is the difference between potential and kinetic energy?
Potential energy is stored energy, while kinetic energy is energy in motion.
200
What is the role of the wire in a circuit?
To transfer and conduct electricity.
200
Which simple machine increases the distance over which a load travels?
Inclined Plane
300
If an object stays motionless on the table, is it balanced or unbalanced force?
Balanced Force
300
What is the SI unit for speed?
m/s
300
What is happening between A and B?
Car is stopped.
300
Explain the transfer of energy that occurs in this photo.
As kinetic energy increases, the potential energy decreases.
300
Will electricity flow through this circuit? 
Yes
300
What is an example of a wedge?
Answers may vary. Sewing needle could be one answer.
400
A student applies a force of 5N to a brick, and another student applies 10N. What is missing to solve the net force?
Direction.
400
A car travels a distance of 100 miles in 2 hours. What is its speed?
50 miles/hr
400
What is happening between D & E? 
Constant Speed.
400
What type of energy is occurring at A?
Potential Energy
400
How many batteries are on this circuit? 
2
400
What two types of simple machines make up a wheelbarrow?
Wheel & Axle
Lever
500
What is the net force?
20N to the Right
500
What is the formula for speed?
Distance / Time
500
Time is on what axis for a graph?
X-axis
500
What type of energy is occurring at B? 
Kinetic Energy
500
What type of circuit is shown? 
Open Circuit
500
A screw is what type of simple machine?
An inclined plane.