Experiment Recap

VARIABLES

Some text here about the topic of discussion

Response, what happened because of the independent variable

​DEPENDENT VARIABLE

What is being changed in an experiment

​INDEPENDENT VARIABLE

Multiple Choice

Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the independent variable 

• Type of fertilizer
• Size of sunflower
• type of sun flower

Multiple Choice

Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the dependent variable 

• Type of fertilizer
• Size of sunflower
• Type of sunflower

Multiple Choice

Molly investigated if the age of students caused them to be better drivers. What is the independent variable?

• Type of car
• Skill of driving
• Age of student

Multiple Choice

Molly investigated if the age of students caused them to be better drivers. What is the dependent variable?

• Type of car
• Skill of driving
• Age of student

Multiple Choice

Sam wanted to know if the color of the chair you sat in when taking a test affected your test grade. What is the independent variable.

• Color or chair
• Grade on test
• Age of students

Multiple Choice

Sam wanted to know if the color of the chair you sat in when taking a test affected your test grade. What is the dependent variable.

• Color or chair
• Grade on test
• Age of students

Group that doesn't experience the independent variable. The group in that is treated like "normal"

​Control Group

The things that you keep the same through out the entire experiment

​Controls

Controls

Some text here about the topic of discussion

Multiple Choice

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 control group is ...

• Water

• Apple Juice

• Milk

• None of these

Multiple Select

50 weightlifters are given vitamin supplements before they lift and 50 different weightlifters are given no supplements and change in muscle mass is recorded after 4 months. Which of the following would be standardized variables for this experiment? (Bubble all that are true)

• amount and type of food eaten during day

• % increase in muscle mass

• amount of supplement given

• type of exercise

• being given supplements or not

Multiple Choice

The part of the experiment that does not contain the independent variable. Used for comparison.

• Control Group

• Experimental Group

• Results

• Data

Multiple Choice

Which group in an experiment is treated with the independent variable?

• control group
• experimental group
• hypothesis
• dependent variable

Multiple Choice

Look at the chart. What is the control group?

• Usual route

• alternate B

• alternate C

• time in minutes

Multiple Choice

Why do we want to test one variable at a time?

• Because it is hard to setup a data table with more
• To know what is causing the changes. This helps us understand cause and effect.
• It is what has always been done