Science Review 2SWKS

1. Look at the picture. The toy car has two forces acting on it.

Which of the following best describes the two forces?

• 1. Force A and Force B are both pulling forces.

• 1. Force A and Force B are both push forces.

• 1. Force A is a push force, and Force B is a pull force.

• 1. Force A is a pull force, and Force B is a push force.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Gravity is a force that _____ on all objects.

Magnetism is a force that attracts some metallic objects ____ direct contact.

• pulls; with

• 1. pulls; without

• 1. pushes; with

• 1. pushes; without

Tags

NGSS.MS-PS2-4

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During an experiment, a marble is tapped lightly with a pencil. A ruler is used to measure the distance the marble moved. The data is recorded in a table. The number in the table indicates which of the following?

• 1. Force of tapping the marble.

• 1. Friction on the surface.

• 1. Amount of time the marble was moving.

• 1. Position of the marble.

Tags

NGSS.MS-PS2-2

Look at the picture. It shows the path of a rubber ball when it is dropped to the ground. Which best describes why the ball goes back down after each time it bounces?

• 1. The ground uses push and pull forces on the ball.

• 1. Friction causes the ball to slow down and fall to the ground.

• 1. The ground attracts the ball through magnetism.

• 1. Gravity causes the ball to fall to the ground.

Tags

NGSS.MS-PS2-4

You choose two people of different sizes to sit on a swing. 

You push the smaller person on the swing. Then, you push the larger person with the same amount of force.

You find that the swing will move ____when you push the larger person. To make the larger person move the same as the smaller person, it will take____ force.

• 1. less; less

• 1. more; more

• 1. less; more

• 1. more; less

Tags

NGSS.MS-PS2-2

How can you stop a soccer ball rolling towards you?

• 1. Apply a pulling force with your foot.

• 1. Apply a pushing force with your foot.

• 1. Apply a pushing force with a magnet. 

• 1. Apply a pulling force with a magnet. 

Tags

NGSS.MS-PS2-2

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What makes raindrops fall from the sky? 

• 1. Gravity pulls them down.

• 1. Gravity pushes them down.

• 1. The wind pushes them down.

• The wind pulls them down.

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS2-4

Two students conduct an experiment where they roll balls in the direction shown in the drawing. The two balls hit each other at the point marked X.

Which best describes the movement of Ball A after the two balls hit each other?

• 1. Ball A rolls in a different direction from its original path.

• 1. Ball A rolls back in the direction it came from.

• 1. Ball A continues rolling in its original direction.

• 1. Ball A stops rolling.

Tags

NGSS.MS-PS2-1

How can you demonstrate how gravity affects a ball?

• 1. Roll the ball on the ground. 

• 1. Throw the ball as hard as you can. 

• 1. Drop the ball from the top of your desk.

• 1. Kick the ball very gently.

Tags

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NGSS.5-PS2-1

NGSS.3-PS2-2

How does gravity affect the apples? 

• 1. Gravity pushes only the apples on the ground. 

• 1. Gravity pushes only the apples on the tree.

• 1. Gravity pulls on only the apple that is falling. 

• Gravity pulls all three apples.

Tags

NGSS.5-PS2-1