GRAPH MOTION

What is happening in the graph between 30 and 40 minutes?

• Sarah is accelerating
• Sarah is not moving
• Sarah is slowing down
• Sarah is travelling at a constant speed

Which runner won the race?

• A
• B
• C

Which runner stopped for a rest?

• Albert
• Bob
• Charlie

The following line graph shows an object’s distance over time. What is happening to the object between points W and X?

• It is not moving.

• It is speeding up.

• It is slowing down.

• It has acceleration.

Three students are in a race. The students’ starting points and the finish line are shown in the following diagram.Which runner will win the race?

• Runner A will win the race.

• Runner B will win the race.

• Runner C will win the race.

• It will be a three-way tie

When you travel in a car, both you and the car are in motion. When you go to an amusement park, you can be in motion, too. The picture below shows an amusement park ride in motion. Which statement is true about the object in motion in the picture?

• The object is changing only its position.

• The object is changing only its direction.

• The object is changing both its position and direction.

• The object is changing neither its position nor direction.

Hit a ball and you set it in motion. Pedal a bicycle and you set it in motion. Push a swing and you set it in motion. What must always be true of any object that is in motion?

• It is moving forward.

• It is changing its position.

  .

• It is changing its direction.

• It is moving at a constant speed

Mrs. Jenkins asked four student volunteers in her science class to show that an object in motion can change both its position and its direction. Here is what the four students did. Who best showed that an object in motion can change both its position and direction?

• Erica

• Luis

• Michael

• Sharona