Lesson 6.4 Friction

Multiple Choice

Friction is a force that...

• slow things down

• speeds things up

• makes things smooth

• makes things rough

Drag and Drop

Friction generates an energy transfer of ​

Placeholder

​

Drag these tiles and drop them in the correct blank above

heat

air

chemicals

light

Multiple Select

There are two types of friction. What are they?

• Static

• Sliding

• Stable

• Shock

• Space

Multiple Choice

What can we use to reduce friction in machinery?

• Add a lubricant

• Increase speed

• Decrease speed

• wait for wear

Multiple Choice

What do vehicles have that creates less friction?

• Wheels

• Rollers

• Doors

• Steering Wheel