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

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

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

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

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

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

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.

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

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

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 investigates how magnetism can defy the force of gravity.

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!

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

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.

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.

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

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

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

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Discover how and which salt melts ice the quickest.

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

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

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?

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

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

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