Unit 1 Assessment

What type of force does picture A show? How do you know?

• push

• balanced

• unbalanced

• gravity

Tags

NGSS.3-PS2-1

In picture B students are applying a force to a large heavy box. Use one or two sentences to describe the force they are using. You can use vocabulary from the word bank to help you.

Word Bank

a) at rest

b) in motion

c) pushing force

d) pulling force

e) force from the left

f) force from the right

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

Will the magnets attract or repel each other?

• attract

• repel

Tags

NGSS.3-PS2-3

NGSS.3-PS2-4

What might happen if they are moved further apart? Why?

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

A cat knocks a book off a table, and it falls toward the floor. What are ALL the types of forces acting on the book during this entire time? Select ALL that apply.

• contact force

• non contact force

• gravitational force

• magnetic force

• balanced force

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Read the example of friction. Is the friction harmful or helpful.

Walking on ice while in a hurry

• harmful

• helpful

Read the example of friction. Is the friction harmful or helpful.

Starting a campfire by rubbing two sticks together.

• harmful

• helpful

Read the example of friction. Is the friction harmful or helpful.

Your bike tires have worn smooth.

• harmful

• helpful

Does static electricity produce a contact or non-contact force?

• contact

• non-contact

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5