Science

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How do you set up a controlled experiment ?
What's the purpose of a control group?
How many variables should a controlled experiment have?
What are the difference between observation and inferences?

I REALLY NEED HELP!!!!
PLEASE HELP ME !!!!

  • Science -

    Check your book. Then post what you think are answers.

    We'll be glad to check your answers.

  • Science -

    Ok :)

  • Science -

    Here is my answer for the first one

    I set up a controlled experiment by getting all matirals that I need for my experiment and then using the scientific method to do my experiment.

    Im working on the others

  • Science -

    You described an experiment. What makes this experiment a "controlled experiment?"

    http://www.biology-online.org/dictionary/Controlled_experiment

  • Science -

    I got it covered already ;)

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