What does Newton's First Law state about objects at rest?

• They will always stay at rest.

• They will move in a circular path.

• They will remain at rest unless acted upon by a force.

• They will start moving on their own.

In the washer demonstration, what happens when the stick hits the bottom washer?

• All washers move.

• Only the bottom washer moves.

• The top washer moves.

• None of the washers move.

Tags

NGSS.MS-PS2-1

What happens to the nickel when the loop is moved?

• It falls straight down.

• It moves sideways.

• It flies upwards.

• It stays in place.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Why do objects on the table remain in place when the tablecloth is pulled quickly?

• Because of friction.

• Because of Newton's Second Law.

• Because of gravity.

• Because no force is applied to them.

What is the challenge in the copper rod and paper demonstration?

• Moving the rod quickly.

• Pulling the paper slowly.

• Balancing the rod.

• Pulling the paper without moving the rod.

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NGSS.MS-PS2-5

In the golf ball experiment, what is expected to happen when the broom hits the cabinet?

• The golf balls will fall into the water.

• The golf balls will stay in place.

• The golf balls will bounce upwards.

• The golf balls will move sideways.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What determines which string breaks in the string puzzle?

• The color of the string.

• The speed and force of the pull.

• The length of the string.

• The weight of the ball.

Tags

NGSS.MS-PS2-2

According to Newton's Second Law, what affects the acceleration of an object?

• The shape of the object.

• The temperature of the object.

• The color of the object.

• The force applied and the mass of the object.

Tags

NGSS.MS-PS2-2

Why does the bottom string break when pulled quickly in the string puzzle?

• Because the bottom string is longer.

• Because the ball is too light.

• Because the force is concentrated on the bottom string.

• Because the top string is stronger.

What happens when the force is applied evenly to the strings in the puzzle?

• Neither string breaks.

• The top string breaks.

• Both strings break.

• The bottom string breaks.