Preschool - 6th Grade Engineering and Science Inquiry Activities : Page 2

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

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

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

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!

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

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

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

This experiment investigates the relationship between the temperature of a candle and its burn rate.

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 idea discovers which brand of bubblegum produces the largest bubbles.

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 project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

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.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

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

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

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

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.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

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.

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

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

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.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

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

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

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

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