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

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

This science fair project idea explores substances that cause a bubble to last longer.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

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

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Learn all about balance and motion as your child designs a corn maze!

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Take a dive into the candy jar with this yummy science experiment.

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

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.