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This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

This experiment investigates if small changes in your diet can alter your basal body temperature.

This science fair project idea identifies trees using a dichotomous key.

Determine how we can separate the components of a solution

Design and build an invention inspired by Rube Goldberg's designs. Build your invention. Test the machine, write a detailed report.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

This experiment investigates whether font choice affects peoplesâ ability to remember the information that they read.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.