Unit 1 Lesson 1-4 Key Ideas Study Guide

Multiple Choice

How much do you have to push on any object to get it to deform?

• Depends on the material

• Depends on the shape

• Depends on the thickness

• Depends on the force applied

Multiple Choice

Do all objects change shape or bend when they are pushed in a collision?

• Yes

• No

• Sometimes

• Depends on the material

Multiple Choice

What causes changes in the motion and shape of colliding objects?

• Push

• Pull

• Contact Force

• Energy transfer

Multiple Choice

What happens when two things hit each other?

• Transfer of energy

• Deformation

• Contact Force

• Energy transfer

Fill in the Blank

A contact force is a force in which 2 objects...

Categorize

Options (7)

Throwing a frisbee

Sliding a book across a table

Pressing a button on a remote control

Gravity pulling an object downward

Static electricity attracting a balloon

Magnetic force between two magnets

Air resistance

Are these forces examples of contact forces or non-contact forces?

Contact Force

Non-Contact Force

Multiple Choice

If you increase the weight of a moving object, the amount of energy it can transfer does what?

• increases
• decreases
• stays the same
• none of these

Multiple Choice

What makes things happen?

• matter
• computers
• energy
• density

Multiple Choice

What is transferred at the instant the bat hits the ball?

• matter
• energy
• sound
• light

Multiple Choice

Which of these is NOT<i> </i>true about energy?

• it moves wind turbines
• it knocks down bowling pins
• it makes a baseball fly
• you can hold it in your hand

Multiple Choice

What happens when two objects collide?

• Energy is changed into force.

• Energy is transferred from one object to another.

• Energy is created and the objects move faster.

Poll

How confident do you feel about this topic now?

• Very confident
• Somewhat confident
• Not confident

Poll

How confident do you feel about this topic now?

• Very confident
• Somewhat confident
• Not confident