Force and Motion

Which of the following is a question about forces that could be explored in a laboratory investigation?

• Which airplane design is best?

• How does friction affect the motion of a rolling ball?

• Does gravity work in all parts of the universe?

• What kind of magnet is the fastest?

Tags

NGSS.MS-PS2-2

Students are exploring how the size of a marble affects the distance it rolls. What tool will they need?

• Metric ruler

• Graduated cylinder

• Celsius thermometer

• Spring scale

Tags

NGSS.MS-PS3-1

Students are investigating the effects of different surfaces (tile, wood, and carpet) on the time it takes a toy car to roll two meters. The students are measuring the effect of which of the following forces?

• Magnetism

• Friction

• Gravity

• Nuclear

Tags

NGSS.MS-PS2-2

Students collected the following data in an investigation:

Which question would the students be able to answer with the data?

• What is the physical force that makes a top spin?

• How does a top’s mass affect how long it spins?

• What color top spins for the shortest amount of time?

• Why does a top stop spinning after one minute?

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

Students performed an investigation in which they tied three washers to different lengths of string. They hung the washers off the edge of a desk and timed how long it took the washers to swing back and forth one time.

The data support which of the following conclusions?

The time to swing back and forth increases with–

• more washers.

• shorter string.

• fewer washers.

• longer string.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Students have short and tall ramps and toy cars with which to create an investigation.

Which of the following is a testable question students could answer in an investigation using these materials?

• What kind of material should be used to make roads?

• What kind of toy car is the overall best kind to buy?

• How does ramp height affect the distance the toy car rolls?

• What kind of scientist can best explain how cars work?

Tags

NGSS.MS-PS2-2

By changing the surface over which a ball rolls, students could investigate the effect of which of the following?

• magnetism

• electricity

• rotation

• friction

Students conducted an investigation in which they rolled marbles across different surfaces to measure the effect of the force of friction on each surface. Friction slows down and stops objects. Which of the surfaces investigated showed the greatest amount of friction?

• Surface A

• Surface B

• Surface C

• Surface D

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

A push or a pull

Type letter of your answer in the blank.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A force created when objects rub together; works to slow and stop motion

Type the letter of your answer in the blank.

Tags

NGSS.3-PS2-1