Experimental Design

What is the definition of the independent variable?

• The part of the experiment that stays the same

• The part of the experiment that is being measured

• The part of the experiment that the researcher controls

• The part of the experiment that responds to the other variable

Tags

NGSS.MS-PS2-2

What is the part of the experiment that the researcher keeps the same throughout?

• Variable

• Constant

• Independent variable

• Dependent variable

Tags

NGSS.MS-PS2-2

The word, letter, or number attached to the beginning of a word is referred to as the ____________.

What is the definition of the dependent variable?

• The part of the experiment that is being manipulated

• The part of the experiment that is being measured

• The part of the experiment that remains the same throughout

• The part of the experiment that is being compared to another group

The a few letters put at the end of a word to change its meaning is known as the _______.

What is a "constant"?

• The part of the experiment that the researcher keeps the same.

• The part of the experiment that includes data collection.

• The part of the experiment that includes safety protocols.

• The part of the experiment that is repeated multiple times.

Tags

NGSS.MS-PS2-2

The researcher's claim that answers a question that is represented in an "if..then" statement is known as a _________.

Students used various temperatures of water to see which one dissolved candy faster. What was the Independent Variable?

• The time it took the candy to dissolve

• The amount of candy

• The amount of water

• The temperature of the water

Tags

NGSS.MS-PS1-2

You will want your experiment to have ____ independent variable(s) in it for the experiment to be valid.

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS2-2

If you were testing how well different dish soaps cleaned grease, the independent variable would be the:

• amount of grease

• dish soap type

• dish type

• amount of dish soap