Hypothesis questions and variables

Hypothesis questions and variables

Assessment

Assessment

Created by

Rachel Stringham

Biology, Other Sciences

9th - 10th Grade

14 plays

Hard

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25 questions

Show answers

1.

Multiple Choice

30 sec

1 pt

Sam and his Dad were trying to combat the fire ants in the backyard. They tried several brands of fire ant "killing" chemicals but none worked. Finally, Sam's Dad decided to try an old-time idea: pouring grits on the mounds.


What question could be used to guide Sam's study of fire ants?

Why is it so difficult to kill fire ants?

If grits are poured in a fire ant mound, then the ants will die.

Do grits work better at killing fire ants than commercial products?

Will ants eat grits and die when grits are poured in a fire ant mound?

2.

Multiple Choice

30 sec

1 pt

In this technological age, today's students are faced with online educational opportunities at both the high school and post-high school level. Many educators wonder how effective such online courses really are. Imagine you are an educator designing an online course. Before beginning, you decide to conduct a study about the effectiveness of online courses.


Which research question would be MOST appropriate to guide your study?

What are the strengths and weaknesses of online courses?

How do students' grades compare in on-line versus traditional courses?

How do standardized exam scores of online courses compare with standardized exam scores of traditional courses?

How does course completion of online courses compare with completion of traditional courses?

3.

Multiple Choice

30 sec

1 pt

Mrs. Roberts' class was designing science experiments. Carl and his partner decided to use the outdoor classroom as their laboratory. Since there was a bird feeder in the outdoor classroom, they decided to design an experiment about the feeding habits of birds in their area.

Which question would be MOST appropriate to guide the scientific investigation?

What do birds eat?

What type of seeds do birds prefer?

Which seeds do our feeder birds prefer?

Which types of seeds do our feeder birds eat ?

4.

Multiple Choice

30 sec

1 pt

Sam is studying the effects of temperature change on a specific enzyme, c at al as e . This enzyme is found in cells and helps break down hydrogen peroxide. As part of her project, she measures the rate at which hydrogen peroxide is broken down by catalase at 20, 25, 30, and 35 degrees C.

Which question BEST describes Sam's science research project?

How are enzymes affected by changing temperature?

Is catalase able to function at all temperatures?

How is the enzyme catalase affected by changes in temperature?

Can cells survive if the temperature falls to 20 degrees Celsius?

5.

Multiple Choice

30 sec

1 pt

Joanna has been growing tomatoes. She noticed that the tomato plants close to the busy street did not produce nearly as many tomatoes as the plants which were closer to her house. Which of these would be a question she could ask to help investigate what has happened with the tomatoes?

Why do tomatoes grow best near the house?

Do tomato plants grow better with lots of water?

Does the exhaust from cars affect the growth of tomatoes?

Will tomato plants become bigger if given more fertilizer?

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