This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Practice conversions within the metric system in this fun math card game for third graders.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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

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

Here's a place mat your second grader can create, based on the classic frontier tradition of patchwork quilting.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.