Big Idea 12 review Mr. Ganas

Which of the following best describes the speed of the ball at Position 1 in the diagram?

• A. Its speed increases.

• B. Its speed decreases.

• C. Its speed stays exactly the same.

• D. Its speed decreases, then increases.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS2-4

Which of the following statements BEST describes what is true about all motion?

• Motion is the change in position of an object.

• The force of gravity is responsible for all motion.

• Motion involves objects moving in a straight line, not a zigzag.

• All motion requires a change in the object's direction.

Danny kicks a kick ball. What will most likely happen to the speed of the kick ball?

• It will stay the same.

• It will never slow down.

• It will increase, then decrease.

• It will decrease, then increase.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which statement is true about the object in motion in the picture?

• A. The object is changing only its position.

• B. The object is changing only its direction.

• C. The object is changing both its position and direction.

• D. The object is changing neither its position nor direction.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

What two measurements below are needed to determine the speed of an object?

• distance traveled, and time traveled

• time traveled, and mass of the object

• height of the object, and distance traveled

• height of the moving object, and mass of the object

Which of the following is a necessary condition for an object to be considered in motion?

• It must be accelerating.

• It must be changing its position over time.

• It must be moving in a straight line.

• It must be moving faster than other objects.

James is training for a marathon and wants to calculate his average speed during his practice runs. He considers the following pieces of information he could gather. A. the total distance he runs. B. the type of shoes he wears. C. the weather conditions during his run. D. the total time taken for his run. Which pieces of information are necessary for James to determine his average speed?

• Items A and B

• Items A and D

• Items B and C

• Items C and D

When an object is moving, which of the following is continuously changing?

• speed

• velocity

• position

• acceleration

A train is moving on a track at 60 mph. It gradually comes to a stop at a station. Which of the following changes to the motion of the train?

• A. speed

• B. direction

• C. speed and direction

• D. direction and position

Tags

NGSS.MS-PS3-5

A group of students are timing how long it takes for different toy cars to roll down a 100 centimeter ramp. They want to determine which car is the fastest. How can the students conclude which car is the fastest?

• The car that takes the least time to travel the distance is the fastest.

• The car that travels the longest distance is the fastest.

• The car that starts first is the fastest.

• The car that travels in the straightest line is the fastest.

Tags

NGSS.MS-PS3-1