Energy in Motion Review

Which statement best describes what happens to basketballs as they reach the bottom of a ramp?

• They change direction.

• They start spinning.

• They stop moving.

• They speed up.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS2-2

NGSS.MS-PS3-5

NGSS.MS-PS2-4

Simon and Betty are running a race. It takes Betty less time to run the same distance as it takes Simon.

Which of the following best explains why it took Betty less time to run the same distance as Simon?

• They are both running at the same speed since they travel the same distance.

• They both are running at the same speed, but have different masses.

• Simon is running at a greater speed than Betty.

• Betty is running at a greater speed than Simon.

Tags

NGSS.MS-PS3-1

Which of these objects is demonstrating motion?

• A building casting a shadow behind it.

• A kid jumping to catch a frisbee.

• A cat lying on a windowsill.

• A baby sleeping in her crib.

Tags

NGSS.K-PS2-1

Marissa is graphing the speed of a car.

What is the car doing between minutes 3 and 5?

• staying still

• speeding up

• moving backward

• traveling at a steady speed.

Tags

NGSS.MS-PS3-1

Suzy and Kevin are investigating motion using marbles. The numbers on the diagram show the motion of the marble as it travels down the ramp.

Which number shows when the marble first changes direction?

• 1

• 2

• 3

• 4

Jessica tosses a stuffed animal straight up into the air and gets ready to catch it. What will change during the time that the stuffed animal is in the air?

• the stuffed animal's color

• the stuffed animal's position

• the stuffed animal's shape

• the stuffed animal's size.

Jamie and Colin are playing kickball at recess. As the ball rolls toward Jamie, he kicks it. Which of these will NOT change after the ball leaves Jamie's foot?

• position

• speed

• direction

• mass

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which two measurements are needed in order to calculate the speed of a moving object?

• height of the moving object & mass of the moving object

• height of the moving object & distance traveled

• time traveled & mass of the moving object

• distance traveled & time traveled

Rachel and Alvin are rolling a toy car back and forth across the playground grass. Suddenly, the car hits a rock. Which of these happened to the toy car as a result of hitting the rock?

• A change in mass.

• A change in gravity.

• A change in volume.

• A change in direction.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

David is "racing" his marbles across a finish line. He observes that his blue marble crosses in 15 seconds, the yellow marble crosses in 23 seconds, and the green marble crosses in 18 seconds.

Based on David's observations, which marble traveled the fastest speed?

• Blue

• Green

• Yellow