Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

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

Do you think heat can affect a plant's growth rate?

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

Create a graph based on the interests of family member's to see who has what in common. Your child will practice her math skills and get to know the family!

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Any time is the perfect time to whip up a delicious batch of fluffy pumpkin cookies.

Figuring out fractions can be a challenge! But with this game your child will become more comfortable converting fractions after only a little practice.

This kinesthetic game will help your child practice rounding and get the adrenaline rushing!

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Money is a difficult concept to grasp. Help your kid get the hang of it with this pocket change triple Venn diagram activity.

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

Work on division with remainders in this fun fourth grade math board game.

If it's Easter, it must be time for egg hunts. But we have to admit, most kids would rather take a bite out of a yummy cupcake than a hard-boiled egg.

Help your child practice multiplication tables with this mental and physical multitasking game that uses a hula hoop to get into the swing of things.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

Graph are a great way to organize information. Your child will get to practice graphing by creating a bar graph and a pictorial graph of her friend's names.

Use familiar household items and decorations to turn estimation into a fun game!

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

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

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

These sparkling earrings look fancy but they're super simple to make using inexpensive craft items.

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.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

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.