McGraw Hill - Nature of Science Review

Front

What is the main reason for scientific investigations?

Back

To answer questions about the natural world.

Front

What is a control group in an experiment?

Back

A control group is a standard for comparison in an experiment, where no changes are made.

Front

Which tool is most useful for observing small objects like ants?

Back

A hand lens.

Front

Why is it important to repeat experiments multiple times?

Back

To make sure the results are accurate and useful.

Front

What does it mean to test a hypothesis in a controlled experiment?

Back

It means to conduct an experiment where only one variable is changed at a time.

Front

What is the purpose of making observations in science?

Back

To gather information and data about the natural world.

Front

What is the difference between qualitative and quantitative observations?

Back

Qualitative observations describe qualities (like color or texture), while quantitative observations involve measurements (like length or mass).

Front

What is a variable in an experiment?

Back

A variable is any factor that can change in an experiment.

Front

What is the scientific method?

Back

A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What is a hypothesis?

Back

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