5.P.1.1 & 5.P.1.4 - Friction & Gravity

A student uses a toy car and ramp to investigate how surface affects the speed of a rolling object. What should the student intentionally change when doing this experiment?

• The color of the toy car

• The distance the toy car travels

• The material on which the toy car rolls

• The weight of the toy car

Tags

NGSS.3-PS2-1

NGSS.3-5-ETS1-3

NGSS.3-PS2-2

A force that occurs when an object rubs against another object

• thermometer

• conduction

• friction

• radiation

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

Tags

NGSS.MS-PS2-2

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

• mass
• friction
• gravity
• speed

Tags

NGSS.3-PS2-1

NGSS.5-PS2-1

Which investigation will best test the effects of gravity on moving objects?

• pencils falling from the same height

• balloons floating upward from the same height

• a bicycle speeding up on a flat surface

• a ball slowing down on a flat surface

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-2

Which best describes the role friction plays in the operation of a car?

• Friction makes a car go faster.

• Friction keeps a car from stopping.

• Friction turns the car in a new direction.

• Friction helps a car slow down and stop.

Tags

NGSS.3-PS2-1

A man is pushing a ball up a hill. If the man stops pushing the ball and steps out of the way, what will most likely happen to the ball?

• It will stop on the hill.

• It will roll down the hill.

• It will roll to the side toward the man.

• It will continue to roll up the hill.

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-2

NGSS.MS-PS3-5

Friction _____________ motion

• Works in the same direction as

• Opposes

• Has not effect on

• Pulls against

Tags

NGSS.MS-PS2-2

True or False: objects that are smooth have LESS friction than objects that are rough

• TRUE

• FALSE

Gravity attracts all objects towards one another. 

• True
• False 

Tags

NGSS.MS-PS2-4