Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

This do-it-anywhere guessing game helps reinforce number concepts. And it's a blast to play.

This project examines how temperature affects the volume of gas in balloons.

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

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

Make this delectable custard, meringue, and graham cracker pie will give your fifth grader practice with measurement and get him interested in the kitchen.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

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.

A fun activity for a hot day, this will give young kids a chance to experiment with beginning science and math â and splash around in the process!

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

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.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

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