How many steps long is the hallway? Kids put their graph-making skills to work as they make a step map of their own house.

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

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

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

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!

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

The project idea is to understand why chocolate turns white and to determine the fastest way that this process can occur.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

Turn any sunny summer day into a fun and special occasion by having a watermelon seed spitting contest!

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

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

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

This science fair project idea investigates food preference of birds.

This project compares different liquids and the freezing, melting and boiling points of liquids.

A food groups plate shows your child what category her foods belong in. Make a food groups plate with your child before dinnertime.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Practice measurement using centimeters in this fun math race designed for your second grade student!

Introduce your child to science with something they see everyday--their shadow!

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.