Experimental Design and Graphing Scientific Data

What is a hypothesis?

• A testable explanation of the relationship between variables

• A proven fact

• An educated guess

• A random idea

Tags

NGSS.MS-PS1-2

How do scientists test their hypotheses?

• By conducting controlled experiments

• By making observations

• By analyzing data

• By guessing

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-4

A testable prediction based on observations that has an independent variable and a dependent variable.

• Hypothesis

• Controlled Variable

• Bar Graph

• Inference

Tags

NGSS.MS-PS2-2

What is a controlled experiment?

• An experiment where multiple factors are changed at the same time

• An experiment where only one factor is changed at a time

• An experiment without any variables

• An experiment conducted in a laboratory

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

The mealworms transitioned into darkling beetles, this represents which characteristic of life?

• Energy

• Evolution

• Adaptation

• Growth and Development

"The zombie has three yellow teeth" is an

• Hypothesis

• Observation

• Inference

What is the dependent variable?

• Favorite Candy

• Twix, Sour Patch Kids. Gummy Worms, Reese's, Candy Corn

• Number of Students

• Student's Favorite Candy

An experiment that tests only one factor at a time by using a comparison of a control group and an experimental group is?

• a dependent variable

• a controlled experiment

• a theory

• an independent variable

In an experiment, the one variable that is changed deliberately by the experimenter is called the

• independent variable

• dependent variable

• controlled variable

• experimental variable

Tags

NGSS.MS-PS3-4

In an experiment, the factor that we measure is called the

• independent variable

• controlled variable

• conclusion

• dependent variable