Mod. Unit 1 Bio

This variable in an experiment is the one being deliberately changed by the scientist.  It is the only variable that is different between groups.

• dependent variable
• independent variable
• data
• control group

What is the variable that we are measuring and collecting data about in an experiment?

• Independent
• Dependent
• Control
• Experimental

What is the best written dependent variable for this hypothesis:

 "If I add salt to the plant, then it will grow taller."

• grow taller
• plant growth

• amount of salt
• add salt

Which side of a penny will hold more drops of water? Choose the best hypothesis.

• If I use the heads side of a penny, then it will hold more drops of water than tails.
• Heads
• Tails
• Tails will hold more drops of water.

The part of the experiment that does not contain the independent variable. Used for comparison.

• Control Group
• Experimental Group
• Results
• Data

What are all the things that are kept the same in an experiment?

• controls
• data
• constants
• independent variables

The combination of chemical reactions through

which an organism builds up or breaks down

materials as it carries out its life processes is called ...

• absorption

• metabolism

• digestion

• consumption

The maintenance of an organism’s internal environment is called:

• compensating
• homeostasis
• balancing
• routine

A/An ____________is the smallest unit of life.

• atom
• stimulus
• cell
• DNA

How can you tell this plant is a living thing?

• It doesn't move.
• It is made up of different parts.
• It responds to a change in its environment.
• It needs shelter.