Preschool - 5th Grade Engineering and Science Inquiry Resources : Page 2

Discover how and which salt melts ice the quickest.

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

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

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

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Take a dive into the candy jar with this yummy science experiment.

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

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.

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.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

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

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

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

This science fair project idea investigates how color affects temperature.

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

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

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

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

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!

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

Find out whether packaged seeds actually do expire in this new science fair project idea.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

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!