3rd Grade Science Review #3 (Florida)

Front

What is friction?

Back

Friction is a force that opposes motion between two surfaces that are in contact.

Front

How does friction affect a skateboarder going up a ramp?

Back

Friction slows the skateboarder down.

Front

What happens to heat when an object is closer to a light source?

Back

The closer an object is to a light source, the more heat it receives.

Front

What is the effect of rubbing a tennis ball on different surfaces?

Back

Different surfaces produce different amounts of heat when rubbed.

Front

Which surface produces the least heat when a tennis ball is rubbed on it?

Back

Ice skating rink produces the least heat.

Front

What is work in science?

Back

Work is done when a force moves an object over a distance.

Front

What is motion?

Back

Motion is the change in position of an object over time.

Front

What is displacement?

Back

Displacement is the shortest distance from the initial to the final position of an object.

Front

What is an example of a force?

Back

Gravity is an example of a force that pulls objects toward the Earth.

Front

What is the relationship between heat and friction?

Back

Friction can produce heat when two surfaces rub against each other.