What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

In this activity your child will create their very own marble maze!

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

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

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

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

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

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

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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