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

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

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

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

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.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

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

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.

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

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

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

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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

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

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

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

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

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

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

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

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

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry 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.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Plants and light seem to be good buddies, but how far does the friendship really go?

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

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.

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.