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This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

This science fair project idea explores substances that cause a bubble to last longer.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project idea determines if the color of light affects the growth of plants.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

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

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Find out whether putting something on top of a plant will inhibit its growth.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

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

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!