Science Speed

__________ can be described as a change in position over a period of time.

• Velocity
• Speed
• Motion
• Force

Amy and John are riding their bikes past the school. Which of the following is true?

• Amy and John are moving relative to their bike, but not the school.
• Amy and John are not moving relative to the school or their bikes.   
• Amy and John are moving relative to the school, but not their bikes.
• Amy and John are moving relative to their bikes and the school.

__________ can be measured as the distance traveled in a given amount of time.

• Speed
• Acceleration
• Motion
• Force

____________ is a push or pull on an object.

• Motion
• Force 
• Speed
• Velocity

Force is measured in ________.

• Joules
• Kilograms
• Pounds
• Newtons

 _______________ result when two interacting objects are touching each other and exert a push or pull.

• Non-contact forces
• Contact forces
• Motion 
• Speed

_______________ result when two interacting objects are not touching each other, yet are able to exert a push or pull.

• Non-contact forces
• Contact forces
• Motion
• Speed

___________ force is any push or pull on an object created from another source (person, animal, another object, etc.)

• Applied
• Normal
• Friction
• Air Resistance

___________ force is a support force exerted on an object directly related to weight (gravity).

• Applied
• Normal
• Friction
• Air Resistance

__________ force opposes the motion of an object and slows the object down.

• Applied
• Normal
• Friction
• Gravitational