1.3 Quiz Questions

Question 1

Come up with a hypothesis for this: Flowers are being measured for the growth of height of the flower. We give some flowers richer soil and others get worse soil.

Answer 1

Flowers in richer soil will grow better because the soil gives nutrients to the plant.

Question 2

Flowers are being measured for the growth of height of the flower. We give some flowers richer soil and others get worse soil. Which is dependent?

Answer 2

The dependent variable is the height of the flower.

Question 3

Flowers are being measured for the growth of height of the flower. We give some flowers richer soil and others get worse soil. Which is independent?

Answer 3

The independent variable is the flowers with rich or not rich soil.

Question 4

What is a control group?

Answer 4

The data isn’t effected by the independent. It’s the variable that receives no treatment.

Question 5

Why is a control group important?

Answer 5

It’s important to know because it provides a foundation to compare the experimental results to

Question 6

A scientist wants to determine whether one drug is more effective than another at controlling high blood pressure
What’s the control group?

Answer 6

The control group is the blood pressure without drugs.

Question 7

What do overlapping bars tell us on a bar graph?

Answer 7

It shows that the data isn’t reliable because the range of error mixes into the other data point