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

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

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

This do-it-anywhere guessing game helps reinforce number concepts. And it's a blast to play.

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

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

This very physical game gets math off the page and into the real world-- and it works on number sense and estimation, key skills for kindergarten readiness.

This measurement activity uses feet to compare objects, but not the ones found on rulers and measuring sticks...the feet on your child's own body!

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

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

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

This science fair project idea measures physical dexterity as a function of temperature.

Help your preschooler grasp the concept of ordering and sequence while teaching him valuable vocabulary with simple activities around the house.

This experiment will explore the best way to create a perfect soft-boiled egg.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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

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

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

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

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

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

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

This project examines the concentration of dissolved oxygen in water, with and without oil.