Scientific Method Part 2 Variables and Hypothesis

Which variable does the scientist choose to change?

• The dependent variable

• The independent variable

• The controlled variable

• The intervening variable

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

What is the independent variable for the experiment in the video?

• Water

• Growth of the plants

• Soil

• Type of plant

Which variable is the data to be collected?

• The dependent variable

• The independent variable

• The controlled variable

• The extraneous variable

Tags

NGSS.MS-PS1-2

In the question, "How does studying effect test scores?" what would be the independent variable?

• The test scores

• The effect

• The amount of studying

• Which test to use

In the question, "Is blood pressure effected by caffeine?" what would be the dependent variable?

• Blood pressure

• caffeine

• The effect

• The variable changed by the scientist

What is a hypothesis?

• The data collected during an experiment.

• The procedures of a scientific experiment

• The conclusion of a scientific experiment

• A statement that makes an educated guess to answer the scientific question

Tags

NGSS.MS-PS2-2