Do you think heat can affect a plant's growth rate?

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

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

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

This project will explore whether music influences physical endurance.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

This science fair project idea identifies clouds as a means of predicting the weather.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

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.

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

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

This cool physics demo illustrates the simple harmonic motion of a pendulum while teaching kids the important concepts of potential and kinetic energy.

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.

This project involves the development of a website using free software online to promote the value of science.

This science fair project idea researches the effects of acid rain on plant growth.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.