Find the area in this fun math card game. You'll help your child start thinking in terms of units as you create shapes out of playing cards.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Here's an enjoyable at-home activity that gives your child step-by-step practice identifying the important parts of an article and organizing his ideas.

Practice math and social studies skills with this fun game based on the Battle of Lexington and Concord.

Practice of math facts is usually limited to drill sheets and flashcards. But kids are more likely to tune in to math facts if practice is presented as a game!

How powerful is the reaction between baking soda and vinegar? Find out here!

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

This fun geometry game requires players to use measurement, find perimeter, and draw polygons. It's great for a fourth grade math student!

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.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Challenge your third-grader to sharpen her new math skills--and maybe do the planet a favor, too.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

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

Liven up a lesson about graphing by helping your third grader compile a bar graph from his classmates' birthday data.

Hone observational skills and introduce the basics of data interpretation with this data gathering activity all about the different colors people wear.

Introduce decimals and place value with this fun math card game for fourth grade students.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

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

Analyze this simple betting game with your fourth grade student in order to discuss probability.

Want to ensure that your child's math knowledge stays sharp? This mean, median, and mode game is the perfect way to reinforce these essential math concepts.

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

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!