Biology Scientific Method B

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, the independent variable is ...

• The type of plant
• The amount of sunlight
• The type of music
• The type of liquid

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?

• True
• How fast you get to school
• Riding a bike or walking
• False

Tags

NGSS.MS-PS3-1

If you increase the amount of spinach you eat, then you will increase the iron in your blood. 
What's the dependent variable?

• increase the amount of iron in your blood
• spinach you eat

Dependent variable means

• the scientist controls what to test
• educated guess
• ask a question
• what is being measured

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

Tags

NGSS.MS-PS2-2

These are variables that are kept the same throughout all experimental groups to prevent error in the experiment.

• Independent Variable

• Dependent Variable

• Controlled Variable

• Varying Variable

A testable prediction about a scientific investigation is a(n)

• Question
• Observation
• Hypothesis
• Experiment

Tags

NGSS.MS-PS2-2

Stephen predicted that seeds would start to grow faster if an electric current traveled through the soil in which they were planted. Which step of the scientific method does this represent?

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

Tags

NGSS.MS-LS1-5

Bob read about growing plants in water. He wanted to know how plants could grow without soil. Which step best represents where Bob is right now in the scientific method?

• coming up with a question

• test the hypothesis with an experiment

• form a hypothesis

• draw conclusions

Tags

NGSS.MS-LS1-5

Information you obtain through your senses, such as touch, sound and sight.

• observation
• hypothesis
• question
• conclusion

Tags

NGSS.MS-LS1-8