Scientific Method

Stephen predicted that seeds would start to grow faster if an electric current traveled through the soil in which they were planted.

• recognize a problem
• test the hypothesis with an experiment
• form a hypothesis
• draw conclusions  

Tags

NGSS.MS-LS1-5

NGSS.MS-PS2-3

Susan said, “If I fertilize my geranium plants, then they will have more flowers.”

• recognize a problem

• test the hypothesis with an experiment

• form a hypothesis

• draw conclusions

Rene grew bacteria from a person's mouth on special plates in the laboratory. She placed drops of different mouthwashes on bacteria on each plate.

• recognize a problem

• test the hypothesis with an experiment

• form a hypothesis

• draw conclusions

Bob read about growing plants in water. He wanted to know how plants could grow without soil.

• coming up with a question

• test the hypothesis with an experiment

• form a hypothesis

• draw conclusions

Angela’s experiment proved that her hypothesis was supported that earthworms move away from light.

• recognize a problem

• test the hypothesis with an experiment

• form a hypothesis

• make a conclusion

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

The independent variable is the ONE thing you _____.

• change
• keep the same
• experiment with
• investigate

Tags

CCSS.6.EE.C.9

The measurable factor (something you measure) in an experiment is known as the:

• Dependent Variable

• Independent Variable

Walker is testing which fertilizer will grow the tallest grass. The height of the grown grass is the __ variable.

• dependent (measured)

• independent (changes)

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.

• Diameter of the ball
• Force acting on the ball
• Height that the ball bounces
• Height from which the ball is dropped

Tags

CCSS.6.EE.C.9