Science

8th

grade

Image

General Science Knowledge Quiz

513
plays

15 questions

Show Answers
See Preview
  • 1. Multiple Choice
    30 seconds
    1 pt
    Image

    Oil, natural gas and coals are examples of...

    Biofuels

    Geothermal resources

    Renewable resources

    Fossil fuels

  • 2. Multiple Choice
    1 minute
    1 pt
    Image

    A scientist is conducting a study to determine how well a new medication treats ear infections. The scientist tells the participants to put 10 drops in their infected ear each day. After two weeks, all participants' ear infections had healed.

    Which of the following changes to the design of this study would most improve the ability to test if the new medication effectively treats ear infections?

    Have participants use ear drops for only one week

    Create a separate group of participants who use 15 ear drops a day

    Create a separate group of participants with ear infections who do not use any ear drops

    Have participants put ear drops in both their infected ear and their healthy ear

  • 3. Multiple Choice
    30 seconds
    1 pt
    Image

    Which of the following is an example of genetic engineering?

    Growing a whole plants from a single cell

    Attaching the root of one type of plant to the stem of another type of plant

    Finding the sequences of bases in plant DNA

    Inserting a gene into plants that makes them resistant to insects

  • Answer choices
    Tags
    Answer choices
    Tags

    Explore all questions with a free account

    Already have an account?