Identifying Variables Practice

For each investigation identify/write:

• Purpose Question,
• Hypothesis,
• Manipulated variable (MV), Responding variable (RV), Controlled variable (CV) and Experimental control (EC)

1. Mrs. Berwick get up every morning at 4 am to feed her babies. She notices that different mornings the babies feed for different amounts of time. She think the amount of light in the room might be affecting the time they eat. So, she decides to investigate...

2. Mr. Johnson writes  notes on the document camera for his math classes. He tries to be creative and use different colored pens for the notes. However, students often cannot read all the notes in certain colors. He decides to investigate which color pen is best for students writing notes.

3. Mr. Birklid is playing soccer on an adult league. He is trying to improve his scoring skills and has heard that the angle you kick the ball toward the goal can affect whether the goalie stops it or not. S, he decides to investigate...

4. Team Ahhhhhhhhhhhhhhhhhhh! is participating in them bonding activities. They are trying to run down to the end of the football field and build a pyramid and then hold it for as long as possible. Come up with an investigation the team could test.