Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

This science fair project idea explores how water and ice can change the form of rocks.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

This science fair project idea attempts to develop a new or improved eco-friendly packing material.

In this science fair project, students create their own miniature salt flats at home.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

This science fair project teaches students about wilting and browning of salad greens.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

Did you know magnifying glasses are magic? This hands-on activity has kids using magnifying glasses to engage with the world around them and look close to examine what they find.

Help your child learn about animal classification with this fun and delicious activity.

This science fair project idea discovers the practical applications for the structural design of a snail shell.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Make edible amber fossils with your second grader to explore the fascinating world of science!

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.

Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

How can you tell the difference between a spider and an insect? Your child will find out as he makes a tray of yummy creepy crawly snacks.