Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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

In this fun experiment, we'll find out how color affects heat absorption!

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

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 compares biodiversity between drops of water.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

The purpose of this science fair project is to build a basic radio.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

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

This experiment tests which gender is better at catching how a magician performs his tricks.

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.

This science fair project idea provides evidence that air is everywhere and takes up space.

Will the shape of an ice cube impact how fast the ice melts?

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!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.