Scientific Method

Mary wants to test the effects of type of fertilizer on plant growth. What is the independent variable?

• type of fertilizer

• plant growth

Mary wants to test the effect of type of fertilizer on plant growth. What is the dependent variable?

• type of fertilizer

• plant growth

If I use my sense of sight, smell, touch, taste, or hearing, I'm making a ______ observation

• Qualitative Observation

• Quantitative Observation

Tags

NGSS.MS-LS1-8

Which of the following is an example of a quantitative observation?

• The ground is wet.

• Sendel's coffee is really hot.

• Her drive is longer than his.

• Ms. Murdock has four meetings today.

Which of the following is an example of a qualitative observation?

• There are three dogs outside.

• The car behind us is red.

• It's 68 degrees in here!

• She ran one mile.

What do you call the factors in an experiment that stay the same for all trials?

• Variables

• Constants

• Controls

• Errors

Which group in an experiment is the group that all other groups are compared to and is considered to be "normal" or "standard?"

• Control Group

• Experimental Group

What is an independent variable?

• A variable that is changed

• A variable that stays the same

• A variable that doesn't exist

• A variable that is measured

Tags

NGSS.MS-PS2-2

What is a dependent variable?

• A variable that is changed

• A variable that stays the same

• A variable that doesn't exist

• A variable that is measured

Quantitative observations must include ______

• Your senses

• Numbers

• Opinions

• Inferences

Tags

NGSS.MS-PS3-1