Kindergarten - 3rd Grade Engineering and Science Inquiry Activities

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

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

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.

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.

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

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

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

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

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

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

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

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

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

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

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

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

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.

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

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.

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.

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

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

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

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

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

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

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