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Types of Experimental Controls

By Janice VanCleave

A control experiment is the standard for the experiment. This means that the results of the project experiment are compared to the results of the control. Since changes in the project experiment’s independent variable causes changes in the experiment’s dependent variable, then the independent variable is kept constant (unchanging) in the control experiment. Removing the […]

Filed Under: Science Projects Tagged With: experimental control

Science Project: Slime/Control

By Janice VanCleave

Step 7: Controlled Experiment To conduct a scientific investigation, care must be taken to follow experimental procedures. You must design an experiment to test your hypothesis. When planning your experiment remember to: * Keep everything the same except for the single variable being tested, which for this science fair guide about using slime for the […]

Filed Under: Science Projects Tagged With: experimental control

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Welcome to Janice’s Science Extravaganza!

The spoon hanging from the string vibrates when struck and these vibrations are transmitted through the string and the sound is amplified by the plastic cups. ABOUT ME: Hi, I am Janice VanCleave, author of 50 best-selling science experiment books for children ages 4 through high school. I taught science for 27 years. MORE.....

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