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This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

This science fair project teaches students about wilting and browning of salad greens.

Give your budding young observers a chance to discover simple machines at use in their own home.

Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Science fair project that tests whether cats have a preference for organic food.

Discover which method for odor removal words the best for stifling refrigerator odors.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Time to look at our faces! Are they symmetrical or asymmetrical? Find out in this science fair project idea.

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

This science fair project idea examines the differences between bottle water, filtered water, and tap water.

This science fair project explores whether musicians are better than non-musicians at distinguishing and understanding speech in noisy environments

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

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