How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Discover flight initiation distance as you play around in the park with this fun bird watching project!

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.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

In this project children practice the scientific method while playing with puffy paint.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

In this project students experiment with making music using only glasses of water.

In this science fair project, students make their own rain gauge to measure rainfall.

The goal of this project is to create an exciting topographical map out of dough.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

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

This science fair project idea examines the reason boats are shaped and engineered.