1/19 Biology Review

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

Tags

CCSS.6.EE.A.2C

The part of the experiment that remains the same for the control and experimental group.

• constants
• control
• independent
• dependent

Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the dependent variable 

• Type of fertilizer
• Size of sunflower
• Type of sunflower

Tags

CCSS.6.EE.C.9

The higher the temperature of water, the faster the egg will cook.  Select the independent variable.

• Faster Egg Cooks
• Higher Temperature

Tags

CCSS.HSF-LE.A.1B

Carey and Justin are raising money to purchase books for the library. The more money they raise, the more books they will be able to purchase for the library.

Which of the variables is dependent?

• amount of money raised

• number of books

Tags

CCSS.6.EE.C.9

In an experiment, constants should always be

• different

• the same

• kind of the same

• none of the above

This part of the experiment where the independent variable is not present. It serves as comparison.

• independent variable

• control

• dependent variable

• constants

Mr. Fitch wanted to see how different types of music affected students' heart rates. He played different types of music: heavy metal, rap, R&B, alternative, pop, country, and classical music. Identify the independent variable.

• classical music resulted in the highest pulse rate

• types of music

• students' heart rate

• Mr. Fitch

Mr. Fitch wanted to see how different types of music affected students' heart rates. He played different types of music: heavy metal, rap, R&B, alternative, pop, country, and classical music. Identify the dependent variable.

• classical music resulted in the highest pulse rate

• types of music

• students' heart rate

• Mr. Fitch

All living things are composed of cells. 

• True
• False

Tags

NGSS.MS-LS1-1