8th Grade Science Semester 1

Front

What is the variable that is manipulated or changed by the scientist?

Back

Independent Variable

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

Front

Is it safe to pick up broken glass with your bare hands?

Back

No, it is not safe.

Front

What does it mean for an equation to be balanced in chemistry?

Back

A balanced equation has the same number of each type of atom on both sides.

Tags

NGSS.MS-PS1-5

Front

Which two subatomic particles are found in the nucleus of an atom?

Back

Neutrons and Protons

Front

What should NOT be worn during a laboratory activity?

Back

Sandals, dangling jewelry, and loose clothing.

Front

What is a control group in an experiment?

Back

The group that does not receive the experimental treatment and is used for comparison.

Front

What is a constant variable?

Back

A variable that remains unchanged throughout the experiment.

Tags

NGSS.MS-PS2-2

Front

What is the formula for calculating density?

Back

Density = Mass/Volume

Front

What is the purpose of a hypothesis in scientific research?

Back

A hypothesis is a testable prediction about the outcome of an experiment.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics, while quantitative data involves numbers and measurements.