Nature Of Science Review (physical Science)

The independent variable is the ONE thing you _____.

• change
• keep the same
• experiment with
• investigate

Tags

CCSS.6.EE.C.9

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 independent variable?

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

Tags

NGSS.MS-LS1-5

Mr. D. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the constant.

• distance traveled by the ball

• height of the ramp

• mass of the ball

• weight of the ball

Justin has a bad cold. When he blows his nose mucus seems to leak through the tissue. He decides to test which tissue holds up the best when he blows his nose. What is the independent variable that Justin is testing?

• His cold

• the time of dayhe blows his nose

• the amount of tissue he uses

• the type of tissue he is using

Why should an experiment be repeated?

• to revise and refine the procedures

• to confirm the results

• to analyze the control group

• to revise the question

The variable that is the result of the experiment is the _____

• dependent variable

• experimental group

• control variable

• independent variable

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
• Constant

Tags

NGSS.MS-LS1-5

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000
• 0.00043756
• 43,756
• 4,3756

Tags

CCSS.8.EE.A.3

How would you write 0.0005 in scientific notation?

• 50 x 10^-5

• 5 x 10^-4

• 5 x 10³

• .5 x 10³

How do you write

8.317 x 10⁶

in standard form?

• 8,371,000

• 83,170,000

• 837,100

• 8,317,000