In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Make a spring collage with your child to get them outside and those creative juices flowing!

Use pepper and soap to discover some fun facts about the properties of water.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Create a self-portrait from natural materials in this collage craft activity!

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Use natural materials to try out a new kind of weaving. Your child will enjoy gathering their materials outside and then using them to create a piece of art!

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Children use their design thinking skills and powers of observation to create and construct a bird nest.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Make edible amber fossils with your second grader to explore the fascinating world of science!

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.