8th Grade Review Part 1(1st and 2nd Nine Weeks)

Front

What is a basic principle for scientific research regarding experiments?

Back

Experiments must be able to be replicated.

Front

What is an atom?

Back

The basic unit of matter.

Front

Where does cellular respiration take place in a cell?

Back

In the mitochondria.

Front

Why can't Denise and David draw a valid conclusion from their plant experiment?

Back

More than one test variable (independent variable) has been changed in the experiment.

Front

What process do plants use to convert sunlight, water, and carbon dioxide into sugars?

Back

Photosynthesis.

Front

What is the role of chloroplasts in plants?

Back

Chloroplasts are the sites of photosynthesis.

Front

What is the independent variable in an experiment?

Back

The variable that is changed or controlled to test its effects on the dependent variable.

Front

What is the dependent variable in an experiment?

Back

The variable that is measured or tested in an experiment.

Front

What is replication in scientific research?

Back

The ability to repeat an experiment and obtain the same results.

Front

What is the significance of a control group in an experiment?

Back

It serves as a baseline to compare the effects of the independent variable.