4th Grade Earth and Physical Science Review

Front

What happens to the pitch of a guitar string when it is tightened?

Back

The pitch becomes higher because the string vibrates faster.

Tags

NGSS.MS-PS4-1

Front

What happens to a metal rod when it is held over a fire?

Back

The part of the rod in the fire gets hot first, then the heat travels to the top of the handle.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What type of spoon is best to use when stirring hot chili to avoid burning your hand?

Back

A wooden spoon is best because it does not conduct heat as well as metal.

Tags

NGSS.MS-PS3-3

Front

Why does food in a refrigerator get warm if the door is left open?

Back

Heat energy transfers from the warm room to the cool refrigerator.

Tags

NGSS.MS-PS3-3

Front

What is the difference between weathering and erosion?

Back

Weathering breaks down rocks, while erosion moves rocks from one place to another.

Tags

NGSS.MS-ESS2-2

Front

What is vibration?

Back

Vibration is the rapid back-and-forth movement of an object.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Front

What is heat transfer?

Back

Heat transfer is the movement of thermal energy from one object to another.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials.

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases).

Tags

NGSS.MS-ESS2-6

Front

What is radiation?

Back

Radiation is the transfer of heat in the form of electromagnetic waves.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2