Explore scientific concepts with this experiment that introduces kids to the scientific method!

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

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

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

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

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

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

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

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

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

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

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

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

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

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

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.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Challenge your learner to design and build a city of their own in this creative engineering activity.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.