2.7C Forces Unit QUIZ

Look at the picture. Which sentence explains why the block with spots moved?

• The block with stripes fell faster than the block with spots.

• The block with stripes weighs much more than the block with spots.

• The block with stripes pushed on the block with spots when they touched.

Tags

NGSS.3-PS2-1

Sam is using grapes to explain how an object can change shape after a collision. How will a grape change shape after hitting the ground when dropped?

• 
• 
• 

Sam is using grapes to explain how an object can change shape after a collision. How will a grape change shape after being stepped on?

• 
• 
• 

Look at the picture. Predict the effect on the sponge when the cup collides with it.

• It will cause the sponge to dry out.

• It will cause the sponge to change shape.

• It will cause the sponge to become bigger.

Jay is using a picture to explain that objects push on each other when they touch. Is this an example of a push or a pull?

• push

• pull

Tags

NGSS.K-PS2-1

Is this an example of a push or a pull?

• push

• pull

Tags

NGSS.K-PS2-1

NGSS.K-PS2-2

Is this an example of a push or a pull?

• push

• pull

Tags

NGSS.K-PS2-1

NGSS.K-PS2-2

Is this an example of a push or a pull?

• push

• pull

Tags

NGSS.K-PS2-1

NGSS.K-PS2-2

Lea is conducting an investigation to demonstrate how the strength of her pull affects how a sled moves over snow. First, she gives the sled a soft pull. The sled moves one foot. Then, she gives the sled a hard pull. The sled moves three feet.

Which statement explains what caused the sled to move farther the second time?

• Lea pulled harder.

• The snow was softer.

• The sled was lighter.

Look at the pictures of Mia and Jose’s plan for an investigation that will demonstrate how a push changes an object’s motion.

Mia first pushed a box across the floor. It took her two seconds to push the box ten feet. Then, Mia pushed the box again, and Jose pushed in the opposite direction at the same time. This time it took Mia ten seconds to push the box ten feet. What can Mia and Jose conclude?

• The box moves slower when it is pushed from the opposite direction.

• The box moves faster when it is pushed from the opposite direction.

• The box moves the same speed when it is pushed from the opposite direction.

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2