This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

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

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

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

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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

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

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Learn whether writing things down really makes things easier to remember.