Test Review Think like a Scientist

Front

What should you never do with chemicals in the lab?

Back

Taste, touch, or smell them.

Front

What is a beaker used for?

Back

A beaker is a laboratory container used for mixing, stirring, and heating liquids.

Front

In a controlled experiment, how many independent variables can be tested at a time?

Back

One.

Front

When should you report accidents in the lab?

Back

Immediately.

Front

What is the independent variable in an experiment where a student drops a ball from different heights?

Back

The height from which the ball is dropped.

Front

What is a graduated cylinder used for?

Back

Measuring the volume of liquids accurately.

Front

What is the purpose of a hypothesis in a scientific experiment?

Back

To make a testable prediction about the outcome.

Front

What is the difference between an independent variable and a dependent variable?

Back

The independent variable is what you change, while the dependent variable is what you measure.

Front

Why is it important to have a control group in an experiment?

Back

To compare the results with the experimental group and see the effect of the independent variable.

Front

What safety equipment should you wear in a lab?

Back

Safety goggles and gloves.