Scientific Method

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

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

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

This is the group that we will compare our experimental group to. This group stays "normal."

• Control Group
• Experimental Group
•  Normal Group
• Weird Group

This is the group that is affected by the independent variable or the group that is changed.

• Control Group
• Experimental Group
• Changed Group
• Cool Group

If plants are exposed to sunlight, then they will grow taller.
What part of the scientific method is this an example of?

• Procedure
• Hypothesis
• Question
• Results

What step does every scientific experiment begin with?

• hypothesis
• question/problem
• procedures
• conclusion

How many variables should be tested at a time?

• Three
• Zero
• Two
• One

Which is NOT a step in the scientific method?

• Make observation
• Form a theory
• Collect data
• Form a hypothesis

What is the next to the last step in the Scientific Method?

• Research

• Conclusion

• Analyze data

• Experiment