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In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This project concerns activity happening millions of miles away, on the sun.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

Make the abstract nature of time and money easier for your kid to understand with some fun ideas that focus on these concepts.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

This footwear-focused activity introduces fractions as part of a set and it's the perfect way to generate excitement about fraction concepts.

This science fair project idea discovers the effect of (high) heat on animal cells.

Start the new year with this fourth grade math "Calculation Challenge!"

Explore the math concept of probability with your fifth grader on "lucky" St. Patrick's day this year!

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

These handmade Christmas treat cups are perfect for house parties, school celebrations, and holiday bake sales.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

Teach your child what a sugar plum is with this easy recipe that gets your child to chop, mix, and roll his way to a delicious treat.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

This flannel board will give your child hands-on practice with math, but in a fun format, full of ladybugs.

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.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

This project examines the concentration of dissolved oxygen in water, with and without oil.

Check out this dice game perfect for teaching your savvy kid the fundamentals of probability.

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.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

This science fair project idea investigates food preference of birds.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.