Motion

Front

What term describes the motion of a ball?

Back

speed

Front

What determines which car covers more distance when two cars are in motion for the same amount of time? Options: the starting position of each car, the speed of each car, the direction in which each car moves, the length of the car.

Back

the speed of each car

Front

A car is driven for 3 hours. What else do you need to know to describe this car’s speed? Options: the road the car is driven on, the time of day, the distance the car is driven, the number of passengers in the car

Back

the distance the car is driven

Front

What is speed?

Back

how far an object moves in a certain amount of time

Front

Wind pushes a toy sailboat across a pond. The boat moves in a straight path. What is changing? Options: the boat’s direction, the boat’s path, the wind’s direction, the boat’s position

Back

the boat’s position

Front

Reference point to describe change in position of a runner in a race.

Back

the starting line

Front

When two equal and opposite forces are at work, what happens to motion?

Back

There is no motion.

Front

Which best describes the speed of a ball as it is thrown straight up into the air and comes back down?

Back

The ball goes slower and slower as it goes up, stops, and then goes faster and faster as it comes down.

Front

What is the speed of a runner who runs 400 meters in 40 seconds? (speed = distance ÷ time)

Back

10 meters/second

Front

Which information is needed to determine how fast a truck is traveling? Options: direction and mass, distance and time, size and speed, time and weight

Back

distance and time