Scientific Method

How do you find the range of a set a data?

• the biggest number minus the smallest number in the group

• the smallest number minus the biggest number in the group

• the biggest number plus the smallest number in the group

• the smallest number multiplied by the biggest number in the group

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 experiments

• To research new information

• To practice safety

• To become a scientist

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.

Why is the following considered a bad hypothesis? "If your plants grew taller, then they were given fertilizer."

• It doesn't have "if" and "then"

• The prediction is wrong

• The independent and dependent variable are in the wrong order

• This is a good hypothesis

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 measured in an experiment

• What you change in an experiment

• A prediction about an experiment

• What stays the same in an experiment

What does a good scientific question need to have?

• It needs to have an independent variable

• It needs to have a dependent variable

• It need to be measurable

• All of these are needed in a good scientific question

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

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