In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This science fair project idea determines what household items are good conductors of electricity.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This science fair project idea determines what household items are good conductors of electricity.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

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

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

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

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

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