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This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

This science fair project investigates why the number of visible stars changes from place to place.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

This experiment will explore whether adding different substances to a gel affects its strength.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Free science fair project idea examining how different types of water affect plant germination and growth.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

Celebrate Dia de los Muertos by baking pan de muerto. In this 5th-6th grade activity, your child will explore another culture while learning about baking.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.

The goal of this science fair project is to demonstrate current methods of detecting counterfeit money, in particular counterfeit detection pens.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

This science fair project idea determines the most effective method of preserving food.