1. Which type of energy does moving water have?
kinectic or potential
What is Kinectic
100
6. A switch is connected into an electric circuit. How is the electric current affected when the switch is turned off?
a.The current continues to flow in the same way
b. the circuit becomes broken and the current stops flowing
What is
b. the circuit becomes broken and the current stops flowing
100
11. Why is solar energy renewable?
a.solar energy won’t run out
b. solar energy can be changed into electric energy
What is
a.solar energy won’t run out
100
1. A teacher walk’s by a student’s desk. What term describes the teacher’s action?
a. Velocity
b. motion
c. relative motion
What is
b. motion
100
8. Which force pushes or pulls a plane forward
a. Gravity
b. lift
c. thrust
What is
c. thrust
200
2. Energy is the ability to cause change or do work.
true or false?
What is True
200
7. An electric circuit is made from a D-cell battery, two wires and a light bulb. What flows through the wires?
a. Electrons
b. Iron atoms
What is
a. Electrons
200
12. Which is true of coal?
a.It is a renewable resource
b. as coal is used, it is replaced by nature
What is
b. as coal is used, it is replaced by nature
200
4. On which object would the pull of gravity be strongest?
a. An apple
b. a basketball
c. garbage truck
What is
c. garage truck
200
9. What happens if balanced forces are applied to a moving object? *Think of when you ride a bike.
a. The object moves faster in the same direction
b. The object moves slower in the same direction
c. The object keeps moving at the same speed and direction
What is
c. The object keeps moving at the same speed and direction
300
3. Which of the following uses wind as its MAIN source of energy?
helicopter or kite
What is kite
300
8. What parts make up a typical electric circuit?
a. Battery, nail, switch and wire
b. an energy, light, switch and wire
What is
b. an energy, light, switch and wire
300
13. Which is a renewable resource?
a.Water
b. coal
What is
a. water
300
5. If you need to describe velocity, what option would you pick?
a. Speed and position
b. direction and motion
c. speed and direction
What is
c. speed and direction
300
10. Which best describes a reference point?
a. The rate at which something changes position
b. Something that can keep an object from starting to move
c. An object that determines whether something is in motion
What is
c. An object that determines whether something is in motion
400
4. Which type of energy is formed by vibrating objects?
sound or electrical energy
What is sound
400
9. How do electric charges flow in a circuit?
a.From one end of the circuit to the other end
b. in a loop around the circuit
What is
b. in a loop around the circuit
400
2. Which object requires the LEAST amount of force for you to move it?
a.Golf ball
b. tennis ball
c. ping pong ball
What is
c. ping pong ball
400
6. A train goes around a corner at the same speed it was traveling on a straight track. What is this an example of?
a. Speed
b. acceleration
c. motion
What is
b. acceleration
400
11. How is velocity different from speed?
a. Velocity includes force
b. Velocity is always bigger
c. Velocity includes direction
What is
c. Velocity includes direction
500
5. A washing machine turns electricity into:
a. Motion energy into electric energy b. electricity into motion energy
What is
b. electricity into motion energy
500
10. Which is a natural resources?
a. Plastic b. water
What is
b. water
500
3. Two students push boxes that have the same mass. Predict why one student will push faster than the other and obtain a greater pushing distance.
a. One student had a lesser body mass
b. One student pushed with more force
c. One student had a greater body mass
What is
b. One student pushed with more force
500
7. Which of the following is NOT an example of an acceleration?
a. A train slowing down to a stop
b. A train making a turn at a corner.
c. A train increasing its speed.
What is
a. A train slowing down to a stop
500
12. Which is the BEST example of friction?
a. A runner slows down to turn a corner
b. A ball slows when it rolls onto a carpet
c. A bike traveling down a hill
What is
b. A ball slows when it rolls onto a carpet