Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

In this experiment we will be determining whether birds prefer certain colors of seed.

Find out whether putting something on top of a plant will inhibit its growth.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

In this design challenge, your child will create a parachute for a small toy using typical household items.

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

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Is it a square or a circle? See if you can trick your friends with this zany science project!

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

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

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

In this project students experiment with making music using only glasses of water.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.