1st - 4th Grade Engineering and Science Inquiry Resources : Page 2

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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

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

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

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!

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

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

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 fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

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.

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

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

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

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

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

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

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.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

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

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

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

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

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.