This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

Get your child excited about measuring with this fun and easy household measurements activity.

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

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

This project compares different liquids and the freezing, melting and boiling points of liquids.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

Explore the wattage of microwaves in relevance to cooking time.

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

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

Introduce your child to science with something they see everyday--their shadow!

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

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

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

This science fair project idea investigates food preference of birds.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Determine which metal has the highest rate of conductivity.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?