In this design challenge, your child will make a bottle rocket using typical household items.

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

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Science fair project that uses iodine solution to demonstrate how starch is turned into sugar when it is chewed in the mouth.

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!

Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!

In this science project, baking powder and vinegar are used to simulate the action of a fire extinguisher.

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

This easy project for little hands uses mushroom spores to make an imprint of the mushroom, and the result is very beautiful.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

In this activity, your child will be challenged to make a tower using paper cups.

In this science fair project you will make a model of a cell membrane using very simple material.

Here's a way to make history both interesting and relevant: design a garden using plants that were used by people in colonial times!

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

This science fair project outlines the uses of gold and explores the monetary value of gold.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

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

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

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

Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Create uphill flow of water by using a siphon. Create vacuum by suctioning one end of tube, and submerge it under water. Watch the direction the water travels.

This experiment uses Rosenberg's Self Esteem Scale to evaluate if there is a correlation between family size and self esteem.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.