Preschool - 2nd Grade Engineering and Science Inquiry Resources

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

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

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

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

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

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

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

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Start your toy engines -- this is going to be a fast and friction-filled race!

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

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

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

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.

This project examines whether people's taste perception is influenced by what they see.

This science fair project idea investigates how magnetism can defy the force of gravity.

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

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

In this activity your child will create their very own marble maze!

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

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

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

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.