Kindergarten - 3rd Grade Engineering and Science Inquiry Activities : Page 2

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

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.

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.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

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

How powerful is the reaction between baking soda and vinegar? Find out here!