1 Unit Test

A student is giving another student directions to a city park. What would help the student describe the location of the park?

• describe what is in the park
• describe the fastest way to get to the park
• explain why the student should go to the park
• identify a reference point along the way to the park

A vehicle’s acceleration and velocity are in the same direction. What will happen to the speed of the vehicle?

• It will decrease.
• It will increase.
• It will remain the same.
• It will change direction.

Which of the following is a definition of motion?

• a change in position over time
• the speed and direction of an object
• the length of the path between points
• a location compared to other locations

An athlete is running a 5-km race at an average speed of 8 km/h. She has to stop to tie her shoe. After tying her shoe, she continues running at 8 km/h. Why would her average speed for the entire race be less than 8 km/h?

• The total distance she traveled was longer than 5 km.
• The total distance she traveled was shorter than 5 km.
• The total time she took to complete the race increased because she stopped.
• The total time she took to complete the race decreased because she stopped.

Which unit is used to measure distance?

• milliliters
• grams
• seconds
• centimeters

The _____ of an object describes the speed and the direction in which it is going.

• acceleration
• velocity
• net force
• centripetal acceleration

An airplane leaves New York to fly to Los Angeles. It travels 3,850 km in 5.5 hours. What is the average speed of the airplane?

• 700 km
• 700 hours
• 700 km/hour
• 700 hours/km

Which equation correctly describes how to solve for the motion of an object?

• motion = change in position/time
• motion = time/change in distance
• motion - change in position = time
• motion = time x change in distance

Montez read that bobcats can reach speeds of up to 30 mi/h. What does the speed of a bobcat indicate?

• the time it takes to reach its maximum speed
• the total amount of time it travels in one direction
• the distance it travels to move between two points
• the distance it can travel in a certain amount of time

Describe the location of an object.

• place
• position
• dot
• spot