What is the control group of an experiment?

• the element that is kept the same on purpose

• the element that is changed on purpose

• the whole experiment

• scientific method

Why is it important to repeat trials in an experiment?

• to have more fun

• to compare trials

• to waste time

• to find the average

Why is it important to collect data in an experiment?

Tags

NGSS.MS-LS1-5

NGSS.MS-PS1-2

What is the difference between an investigation and an experiment?

Tags

NGSS.MS-PS2-2

Can a model be an (experimental) investigation?

• Yes if the variables are not being controlled/changed

• Not ever

• Yes if the variables are being controlled/changes

• Maybe

Tags

NGSS.MS-ETS1-4

Name an example of an investigation. Then name an example of an experiment.

Tags

NGSS.MS-PS1-2

One investigation can lead to another investigation?

• False

• True

What is the first step to an investigation?

• An experiment

• A hypothesis

• Research

• A clear question

Tags

NGSS.MS-PS2-2

Write the difference between a dependent variable and an independent variable. Answer in complete sentences.