Unit 5 Study Guide

Front

What is a control group in an experiment?

Back

A control group is a group in an experiment that is kept constant and not exposed to the experimental treatment, allowing for comparison with the test group.

Front

What should you do if an experiment fails?

Back

If an experiment fails, you should analyze the results, identify potential errors, and make adjustments rather than starting completely over.

Tags

NGSS.MS-ETS1-4

Front

List three factors that should remain constant when testing how salt affects water's boiling point.

Back

1. Volume of water 2. Type of salt 3. Heating rate

Tags

NGSS.MS-PS1-4

Front

What is a physical change?

Back

A physical change alters how matter looks but does not create new substances, such as changes in state, color, or texture.

Front

What is a dependent variable?

Back

The dependent variable is what you measure in an experiment in response to changes in the independent variable.

Tags

NGSS.MS-PS3-4

Front

What is an independent variable?

Back

The independent variable is the factor that is changed or manipulated in an experiment to observe its effect on the dependent variable.

Tags

NGSS.MS-PS3-4

Front

What is the purpose of a hypothesis in an experiment?

Back

A hypothesis is a testable prediction about the relationship between variables in an experiment.

Front

What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Tags

NGSS.MS-ETS1-4

NGSS.MS-LS1-5

NGSS.MS-PS2-2

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.

Front

What is a variable in an experiment?

Back

A variable is any factor, trait, or condition that can exist in differing amounts or types in an experiment.

Tags

NGSS.MS-PS3-4