Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

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

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

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.

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.

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

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.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

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

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

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

Give your second grader a chance to get his feet wet with measurement before he moves onto the more complicated stuff by trying this activity with him at home.

Introduce the idea of measuring weight to your preschooler or kindergartener by making a fun and easy-to-use bungee scale to weigh household objects.

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 project is to examine the ways in which a passive solar house may contribute to conservation of energy.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!