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A- Motion B- Force C- Vocab D- Energy E- Teacher’s Choice

A student walks past the TV. The TV was in front of the student and is now behind the student. What term describes the change in the student’s position compared with the TV? A- velocity B- relative motion C- relative position A 100

A student walks past the TV. The TV was in front of the student and is now behind the student. What term describes the change in the student’s position compared with the TV? B- relative motion

Which best describes the motion of a violin string as it is plucked? A- back and forth B- straight line C- circular D- curved path A 200

Which best describes the motion of a violin string as it is plucked? A- back and forth

A car turning around a corner is an example of A- straight line motion B- curved path motion C- fixed object D- back and forth motion A 300

A car turning around a corner is an example of B- curved path motion

A 400 Any change in speed or direction is A- speed B- frame of reference C- acceleration D- velocity

A 400 Any change in speed or direction is C- acceleration

To describe the velocity of a moving object, you need to know the…. A- speed and direction B- speed and position C- direction and relative motion D- direction and position A 500

To describe the velocity of a moving object, you need to know the…. A- speed and direction

Which object requires the least amount of force to move it 5 m? A- golf ball B- soccer ball C- bowling ball D- ping pong ball B 100

Which object requires the least amount of force to move it 5 m? D- ping pong ball

How can the forces used by the dogs in the picture be described? A- The one on the left is pulling with more force. B- The dog on the right is pulling with more force. C- They are not pulling with any force. D- They are pulling with the same amount of force. B 200

How can the forces used by the dogs in the picture be described? D- They are pulling with the same amount of force.

What happens if balanced forces are applied to a moving object? A – The object keeps moving at the same speed and direction. B- The object moves slower. C- The object stops moving. D- The object moves faster. B 300

What happens if balanced forces are applied to a moving object? A – The object keeps moving at the same speed and direction.

A baseball is rolled across four different surfaces with the same force. Which surface will slow the movement of the soccer ball the most? A- tile floor B- grassy field C- cement sidewalk D- paved road B 400

A baseball is rolled across four different surfaces with the same force. Which surface will slow the movement of the soccer ball the most? B- grassy field

Force is measured in what unit? A- newton B- watt C- joule D- henry B 500

Force is measured in what unit? A- newton

What combines the speed and direction an object is moving? A- frame of reference B- motion C- acceleration D- velocity C 100

What combines the speed and direction an object is moving? D- velocity

What is the force caused when two surfaces rub together? A- friction B- speed C- inertia D- gravity C 200

What is the force caused when two surfaces rub together? A- friction

C 300 What is the force that makes objects pull toward each other? A- inertia B- friction C- relative motion D- gravity

C 300 What is the force that makes objects pull toward each other? D- gravity

What is stored energy called? A- potential energy B- kinetic energy C- work D- fossil fuels C 400

What is stored energy called? A- potential energy

C 500 A train goes around a corner at the same speed it was traveling a straight track. What is this an example of? A- frame of reference B- speed C- relative motion D- acceleration

C 500 A train goes around a corner at the same speed it was traveling a straight track. What is this an example of? D- acceleration

When does a swing have the most potential energy? A- at the bottom B- half way up C- as high as it can go D 100

When does a swing have the most potential energy? C- as high as it can go

D 200 A compressed or tightened spring is an example of A- work B- potential energy C- kinetic energy D- gravity

D 200 A compressed or tightened spring is an example of B- potential energy

D 300 Plants storing energy from the sun is an example of A- work B- potential energy C- kinetic energy D- gravity

D 300 Plants storing energy from the sun is an example of B- potential energy

________ is the ability to do work. A- energy B- newtons C- kinetic energy D- force D 400

________ is the ability to do work. A- energy

Someone is holding a ball in their hand. They are ready to release it, but have not done so yet. What kind of energy does the ball have? A- neither kinetic nor potential energy B- both kinetic and potential energy C- kinetic energy D- potential energy D 500

Someone is holding a ball in their hand. They are ready to release it, but have not done so yet. What kind of energy does the ball have? D- potential energy

E 100 Which is a noncontact force? A- friction B- gravity C- striking a ball with a bat D- pushing a car with your hand

E 100 Which is a noncontact force? B- gravity

Which object has kinetic energy? A- a ball lying on the floor B- a stopped merry-go-round C- a dog running through the yard D- a car parked in the garage E 200

Which object has kinetic energy? C- a dog running through the yard

E 300 What happens to the force of gravity between two objects when the mass of one of the objects is increased? A- It increases. B- It decreases. C- It stays the same. D- It pushes the objects apart.

E 300 What happens to the force of gravity between two objects when the mass of one of the objects is increased? A- It increases.

Speed is expressed in units of A- time per distance B- distance per time C- direction per time D- force per time E 400

Speed is expressed in units of B- distance per time

Objects that don’t seem to move define your A- frame of reference B- relative motion C- potential energy D- kinetic energy E 500

Objects that don’t seem to move define your A- frame of reference