Porter 5g Science 2nd 9w Review 3 and 4 combined

Front

What is the hardest object for a magnet to hold?

Back

A large object is the hardest for a magnet to hold due to its greater mass and surface area.

Front

What type of energy transfer occurs in a candle carousel?

Back

The energy transfer is from thermal energy (heat from the candle) to mechanical energy (movement of the carousel).

Front

Where does water go when it evaporates?

Back

Water vapor rises into the atmosphere when it evaporates.

Front

Which surface requires the least force to move a desk: carpet or tile?

Back

Tile requires the least amount of force to move a desk compared to carpet.

Front

Which surface has the most friction: rough or smooth?

Back

A rough surface has the most friction.

Front

What is friction?

Back

Friction is the resistance that one surface or object encounters when moving over another.

Front

What is evaporation?

Back

Evaporation is the process by which liquid water turns into water vapor.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential energy and kinetic energy in an object.

Front

What is the atmosphere?

Back

The atmosphere is the layer of gases surrounding the Earth.