Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

This experiment investigates if stress alters body temperature.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This science fair project idea deals with the qualities of shade on a sunny day.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

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.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

This science fair project idea determines if pancreatic lipase can break down lipids on its own or does it require the assistance of digestive bile salt.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).