7th Grade Science Midterm Practice

Front

What is the speed of waves?

Back

The speed of waves can change when the waves move from one medium to another.

Tags

NGSS.HS-PS4-1

Front

What is conduction?

Back

Conduction is the process of heat transfer from one particle of matter to another within an object or between two objects.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Front

What does it mean to make models in science?

Back

Making models refers to creating representations of complex processes to better understand them.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

NGSS.MS-LS2-3

Front

What tools are used to collect and analyze scientific data?

Back

Tools include meter sticks, balances, stopwatches, and computers.

Tags

NGSS.MS-PS3-4

Front

How does scientific knowledge change?

Back

Scientific knowledge changes as a result of new evidence.

Tags

NGSS.MS-PS1-2

Front

What is amplitude in the context of waves?

Back

Amplitude is the maximum extent of a wave's oscillation, but it does not change when moving between mediums.

Tags

NGSS.MS-PS4-1

Front

What is convection?

Back

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

Front

What is radiation?

Back

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

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-5

Front

What is a scientific theory?

Back

A scientific theory is a well-substantiated explanation of an aspect of the natural world that is based on a body of evidence.

Front

What is a scientific law?

Back

A scientific law is a statement based on repeated experimental observations that describes some aspects of the universe.