Check your book. Then post what you think are answers.
We'll be glad to check your answers.
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 !!!!
4 answers
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
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
You described an experiment. What makes this experiment a "controlled experiment?"
http://www.biology-online.org/dictionary/Controlled_experiment
http://www.biology-online.org/dictionary/Controlled_experiment
I got it covered already ;)