Force Energy and Simple machines

On which surface will a toy car travel the furthest?

• Carpet

• Ice

• Road

• Polished wood

What type of energy we get from the food we eat?

• Chemical

• Light

• Thermal

• Sound

What type of energy allows you to see the images and texts on your cell phone screen?

• Sound

• Thermal

• Light

• Magnetic

Photosynthesis and Solar panels use this form of energy.

• Mechanic

• Light

• Thermal

• Sound

How does friction affect speed?

• more friction decreases speed

• less friction decreases speed

• more friction increases speed

• None of these

What type of energy causes ice cream to melt?

• Heat

• Light

• Electrical

• Geothermal

A simple machine that is made up of an inclined plane wrapped around a cylinder. It is often used to hold things together.

• Lever

• Inclined plane

• Screw

• Wedge

Which of these would have the strongest gravitational pull?

• Rabbit

• Elephant

• Duck

• Paper

When we rub our hands, what does friction produce?

• Light

• Gravity

• Sound

• Heat

What happens if you hold an ice cube in your hand?

• cold from the ice cube transfers to your hand

• cold from your hand transfers to the ice cube

• heat from the ice cube is transferred to your hand

• heat from your hand transfers to the ice cube