Scientific Inquiry NST Ch. 1

You are doing an experiment recording the growth of plants under different amounts of sunlight. What is the dependent variable?

• The sunlight
• The growth
• The experiment
• The amounts of photons

The variable that causes a change is the

• constant
• independent variable
• dependent variable
• control

The variable that is the result of the experiment is the 

• constant
• independent variable
• dependent variable
• control

A variable that never changes is known as a 

• constant
• independent variable
• dependent variable
• control

"Will ice melt faster in salt water?", is an example of a

• Hypothesis

• Question/Problem

• Dependent variable

• Control

How many manipulated variables does an experiment have?

• 0
• 1
• between 1 and 5
• as many as needed

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

The variable that is being tested or changed

• independent variable
• dependent variable
• control variable

Mrs. B. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.

• distance traveled by the ball

• height of the ramp

• mass of the ball

• weight of the ball

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?

• Type of plant
• Water, apple juice, milk
• Plant growth

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?

• Dependent
• Independent
• Control
• Compound

Tags

NGSS.MS-ETS1-1