True or False: Smooth surfaces have more friction than rough surfaces
False - Rough surfaces have more friction
Which scenario does not demonstrate energy transfer between objects:
A. Pushing a ball down a hill
B. A pot cooking food on a stove
C. A solar panel powering a light switch
D. Reading a sign on the highway
D. Reading a sign on the highway

True or False: This graph shows constant speed (speed stays the same the entire time)
True
Put the objects in order from least to greatest amount of force needed to move that object.
______, _______, _______
A. Brick
B. Marble
C. Notebook
Marble, Notebook, Brick
Which form(s) of energy can transform into other forms of energy:
A. Thermal energy
B. Kinetic energy
C. Electrical energy
D. Mechanical energy
E. All of the above
E. All of the above
A scientist is testing how long it takes a tissue and a ping pong ball to reach the ground after they are dropped. In this experiment, the object dropped is the _________.
A. Independent variable
B. Dependent variable
C. Hypothesis
D. Constant
A. Independent variable
The energy of something that is moving is called ____ Energy
Kinetic

According to the graph, which of the following is true
A. More preschool students like blue than primary students
B. The same number of preschool and secondary students like yellow
C. There are less less secondary students than primary students who like red
D. There are more secondary students than preschools students who like blue
D. There are more secondary students than preschools students who like blue
A toy car rolling down a ramp with sandpaper rolls slower than a car rolling down a ramp with wax paper. This is because the sandpaper has
A. More friction C. More mass
B. Less friction D. Less energy
A. More friction
What happens to energy when a person pushes a sled down a hill?
A. Energy disappears from the person's hands
B. Energy is created in the person's hands
C. Energy is created in the sled
D. Energy transfers from the person's hands to the sled
D. Energy transfers from the person's hands to the sled
A scientist is testing how long it takes a tissue and a ping pong ball to reach the ground after they are dropped. In this experiment, the time it takes to reach the ground is the _________.
A. Independent variable
B. Dependent variable
C. Hypothesis
D. Constant
B. Dependent variable
An electric fan converts electrical energy into _____ energy.
A. Mechanical
B. Thermal
C. Potential
D. Radiant
A. Mechanical
Which of the following are renewable resources? Choose all correct answers
A. Oil D. Wind
B. Coal E. Natural gas
C. Sun F. Water
C. Sun, D. Wind, and F. Water

The ball is being pulled down by gravity and pushed up by the ground. This combination of forces is called ________.
A. Net force C. Motion
B. Gravity D. Friction
A. Net Force
A person rolls a red bowling ball down an isle and it collides with a green bowling ball that is still. What will happen to the energy as a result of this collision?
A. Energy is created in the green bowling ball
B. Energy is destroyed in the red bowling ball
C. Energy transfers from the red bowling ball to the green bowling ball
D. Kinetic energy transforms into thermal energy
C. Energy transfers from the red bowling ball to the green bowling ball
A scientist is testing how long it takes a tissue and a ping pong ball to reach the ground after they are dropped. In this experiment, the drop height is the _________.
A. Independent variable
B. Dependent variable
C. Hypothesis
D. Constant
D. Constant
A student is watching a video on their laptop while it is charging. After a while, they notice that the laptop starts to feel hot. In this situation, electrical energy is converted into which two types of energy?
A. Potential
B. Mechanical
C. Radiant
D. Thermal
C. Radiant and D. Thermal
A person rolls a red bowling ball down an isle and it collides with a green bowling ball that is still. What will happen to the motion as a result of this collision?
A. The green bowling ball will start rolling and the red bowling ball will slow down
B. Both bowling balls with stop rolling
C. Both bowling balls will roll at the same speed
D. The green bowling ball will start rolling and the red bowling ball will speed up
A. The green bowling ball will start rolling and the red bowling ball will slow down

To describe the motion of this roller coaster car, a student should use its...
A. Weight and velocity C. Speed and direction
B. Color and size D. Mass and density
C. Speed and direction
Which of the following is not an energy transformation
A. An oven baking cookies
B. A pot boiling water
C. A radio playing music
D. A kite blowing in the wind
D. A kite blowing in the wind
A scientist is testing how friction affects the speed of a toy car rolling down a ramp. The scientist runs the test 3 times and covers the ramp with 3 different materials: foil, wax paper, and sand paper. In this experiment the surface material of the ramp is the __________.
A. Independent variable
B. Dependent variable
C. Hypothesis
D. Constant
A. Independent variable
Which type of energy is due to an object's motion or position:
A. Thermal energy
B. Mechanical energy
C. Electrical energy
D. Radiant energy
B. Mechanical energy
Which of the following statements are true?
A. Renewable energy sources are replaced naturally
B. Renewable energy sources are not affected by the climate of an area
C. Renewable energy sources don't always produce a predictable amount of energy
D. Renewable energy sources usually cause air pollution
A. Renewable energy sources are replaced naturally and C. Renewable energy sources don't always produce a predictable amount of energy