This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

This science fair project teaches students about wilting and browning of salad greens.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Make edible amber fossils with your second grader to explore the fascinating world of science!

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science fair project idea explores whether talking to a plant will help it grow.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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