Scientific Method Review

What is the final step in the scientific method?

• Write a conclusion about your results

• Record and analyze the data

• Form a hypothesis

• Research your topic

What is the purpose of the scientific method?

• To solve problems and create a controlled way to test them

• To research new information

• To practice safety

• To become a scientist

Tags

NGSS.MS-PS2-2

Which is a good example of a hypothesis for the following scientific question, "Does playing violent video games lead to higher blood pressure?"

• Playing violent video games gives people higher blood pressure.

• If you have higher blood pressure, then you play violent video games.

• If you play violent video games you will have higher blood pressure.

• If you play violent video games, then you will have higher blood pressure.

Tags

NGSS.MS-LS1-5

Jennifer wants to know if students do better on their homework if they listen to classical music or hip hop music. What is the independent variable in this experiment?

• Students' grades on homework

• The age of the students

• The volume of the music

• The type of music

A dependent variable is __________.

• What is the effect of the independent variable is

• What you change in an experiment

• A prediction about an experiment

• What stays the same in an experiment

A qualitative observation is ________.

• Describing qualities and characteristics

• A guess you make using an observation

• Numbers and labels

• What is kept the same in an experiment

A quantitative observation is ________.

• Describing qualities and characteristics

• A guess you make using an observation

• Numerical data

• What is kept the same in an experiment

When graphing data, where do you place your independent variable?

• y-axis

• x-axis

• in the title

• it does not need to go on the graph

Tags

NGSS.MS-PS3-1

What is a procedure?

• Step by step instructions

• Safety rules

• What stays the same in an experiment

• A prediction

What is the main reason scientists have constants (controlled variables)?

• So scientists know their results came only from the independent variable and nothing else

• So scientists stay safe

• So scientists can record data easier

• So the experiment is clear and easy to understand

Tags

NGSS.MS-PS3-4