8R Quarter 2 Exam Review

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 plant growth?

• Dependent
• Independent
• Control

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 water?

• Dependent
• Independent
• Controlled or Constant

Which variable is affected by what is being tested?

• Dependent
• Independent
• Control

What is the average high temperature in May?

• 57
• 84
• 93
• 60

Which variable do you manipulate in an experiment?

• independant variable
• dependent variable
• independance day
• defensive variable

Mary wants to test two shower cleaners to see which one leaves his shower the cleanest. What is his independent variable?

• amount of water
• amount of dirt
• amount of cleaner
• Brand of cleaner

If you get at least 6 hours of sleep, you will do better on tests than if you get less sleep.
What is the dependent variable in this experiment?

• Test Scores
• Amount of Sleep
• Amount of Coffee
• None of the Above

If Jigglepuff wants to show the percentage of black, brown and white shoes in the classroom, she will use...

• Bar Graph. 
• Pie Chart.
• Line Graph.
• All of the above. 

Different types of rose bushes are grown in a greenhouse for two months. The number of flowers on each bush is counted at the end of the experiment. What is the best question for this experiment?

• What type of rose bush is the best?
• Do certain rose bushes grow more flowers than others?
• What type of rose bush needs the most water?
• What will happen to a rose bush when it grows in a greenhouse for two months?

Which of the answers is NOT an example of quantitative data?

• The ant is seven mm long.
• The bee weighs ten grams.
• The soda has a pH of three.
• The frog is green.