Biology, Other Sciences

9th -

10thgrade

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Hypothesis questions and variables

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25 questions

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  • 1. Multiple Choice
    30 seconds
    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 seconds
    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 seconds
    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 ?

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