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This science fair project idea explores whether talking to a plant will help it grow.

Evaluate if people are more influenced by video or audio advertising.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

This science fair project ideaexplores whether cooking food destroys potential vitamin levels.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Evaluate the efficacy of different pain management techniques.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

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

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

Invite your kindergarten marine biologist to practice in scientific identification and categorization while creating a lovely treasure box.

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.

The objective of this experiment is to evaluate which types of people are most impacted by the McCollough effect.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.