Grade 8 Semester 1 Review

Front

Which type of visible light has the highest energy?

Back

Violet light has the highest energy among visible light.

Front

What type of wave can travel through either matter or empty space?

Back

Electromagnetic Waves can travel through both matter and empty space.

Front

What is an 'If..., then...' statement that predicts what will happen during an experiment?

Back

A Hypothesis is an 'If..., then...' statement used to predict outcomes in experiments.

Front

What is Einstein's theory that explains how gravity curves space and time?

Back

Einstein's Theory of General Relativity explains that gravity curves space and time.

Front

What describes the idea that living things are made of cells?

Back

The Cell Theory states that all living things are composed of cells.

Tags

NGSS.MS-LS1-1

Front

What is the term for a scientific explanation that is supported by a large body of evidence?

Back

A Theory is a well-substantiated explanation of an aspect of the natural world.

Front

What is the difference between a scientific theory and a scientific law?

Back

A Theory explains why something happens, while a Law describes what happens.

Front

What is the term for the variable that is changed in an experiment?

Back

The Independent Variable is the factor that is manipulated in an experiment.

Front

What is the term for the variable that is measured in an experiment?

Back

The Dependent Variable is the factor that is measured or observed in an experiment.

Front

What is the purpose of controls in an experiment?

Back

Controls are used to ensure that the experiment is fair and that the results are due to the independent variable.