5th Grade Force and Motion NC

A girl walked for 30 minutes. She noticed that she traveled farther in the first 15 minutes of her walk than in the second 15 minutes. What can she conclude about her walk?

• She walked over many hills
• Her average speed was faster than the first half of her walk.
• She walked in two different directions.
• She was walking at a constant speed.

Four solid balls, each with a different mass, are moving at the same speed. Which ball would require the most force to stop its motion?

• ball with a mass of 5 kg
• ball with a mass of 10 kg
• ball with a mass of 15 kg
• ball with a mass of 20 kg

Tags

NGSS.MS-PS2-2

Which graph represents an object that is decreasing in speed?

• a
• b
• c
• d

Tags

NGSS.MS-PS3-1

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

• The ball goes up at a constant speed, stops, then comes down at a constant speed.
• The ball goes up at a constant speed, stops, and increases speed as it comes down.
• The ball goes slower and slower as it goes up, stops, and then goes faster and faster as it goes down.
• The ball goes slower and slower as it goes up, stops, and then comes down at a constant speed.

Tags

NGSS.MS-PS2-4

What can cause a moving object to increase its speed in a forward direction?

• a force pushing on the object from the opposite direction
• a force that continually acts on the object in the direction the object is moving
• an increase in the mass of the object
• a decrease in the mass of the objet

Tags

NGSS.MS-PS2-2

A student uses a rubber to launch the four objects shown in the table. If the student pulls the rubber band back the same amount each time, which object will most likely move the fasted when launched?

• paper clip
• piece of paper
• eraser
• rubber ball

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

A pencil falls off a desk. What moves the pencil toward the floor?

• mass
• friction
• gravity
• speed

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

A child rides a wagon down a hill. Eventually, the wagon comes to a stop. Which is most responsible for causing the wagon to stop?

• gravity acting on the wagon
• friction acting on the wagon
• the mass of the wagon
• the mass of the child

Tags

NGSS.MS-PS2-2

A wagon is pushed in a straight line. How would an increase in friction on the wagon wheels affect the wagon?

• It would cause the wagon to move faster
• It would cause the wagon to change mass.
• It would cause the wagon to change direction.
• It would cause the wagon to slow down.

Tags

NGSS.MS-PS2-2

A runner measured the time it took him to run 5km. What can he calculate from the distance and time measurements?

• direction
• mass
• speed
• force

Tags

NGSS.MS-PS3-1