This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

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!

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.

The goal of this science fair project was to evaluate the ElectroMagnetic Field produced by Radio Frequency Identification transmitters.

Looking for a fun way to encourage imaginative play? Try crafting these animal dice with your preschooler.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Science fair project that explores the phenomenon of Non-Newtonian fluids by exerting force on different materials.

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

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.

Determine whether the relationship between a personâs armspan and height are genetic.

This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

Help your middle schooler improve his observation skills by playing this simple observation and spatial memorization game.

This science fair project idea explores which fruit molds the fastest.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

This experiment will investigate whether reward or punishment is more apt to motivate people.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

For this activity your child will use the ready made glycerin base to create elegant rose petal hand soaps.