Preschool - 3rd Grade Engineering and Science Inquiry Resources : Page 2

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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

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 project, you'll build a model of the earth, complete with all seven continents and four major oceans.

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

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

This science fair project idea explores whether talking to a plant will help it grow.

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

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

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

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.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

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 science fair project idea determines what household items are good conductors of electricity.

Find out whether a longer airplane will fly farther or a wider paper airplane.

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.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

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?

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.