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This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

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

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

This science fair project idea discovers the principle of conservation of mass.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

Discover which battery composition (type) lasts the longest.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Determine which material produces the strongest static charge.

Ignite your kindergartener's love of adventure and learning with an imaginary trip under the sea.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Celebrate April showers with a springtime arts and crafts activity: make sparkly, shiny raindrops with your kid.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.