Biology - Nature of Science Review

Front

What is the dependent variable in an experiment?

Back

The dependent variable is the variable that is measured or observed in an experiment. It is affected by changes in the independent variable.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-4

Front

In an experiment on plant growth, if different liquids are used, what is the dependent variable?

Back

Plant growth is the dependent variable, as it is what is being measured in response to the different liquids.

Tags

NGSS.MS-LS1-5

Front

What is the volume of liquid measured in a graduated cylinder?

Back

Volume is the amount of space that a liquid occupies, typically measured in milliliters (mL) or liters (L).

Front

How do you read the level of liquid in a graduated cylinder?

Back

You read the level of liquid at the bottom of the meniscus, which is the curve formed by the liquid's surface.

Front

What is the basic unit of length in the metric system?

Back

The basic unit of length is the meter (m).

Front

What is the base unit of weight in the metric system?

Back

The base unit of weight is the gram (g).

Front

What is an independent variable in an experiment?

Back

The independent variable is the variable that is changed or controlled in an experiment to test its effects on the dependent variable.

Tags

NGSS.MS-PS2-2

Front

What is a control group in an experiment?

Back

A control group is a group in an experiment that does not receive the treatment and is used as a benchmark to measure how the other tested subjects do.

Front

What is the purpose of a hypothesis in scientific research?

Back

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

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-LS1-1

NGSS.MS-LS2-1