This activity turns your kid into the family weatherman. Plus, it teaches him to collect data and begin to understand graphing.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

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.

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

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

This science fair project idea investigates food preference of birds.

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

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

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

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.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

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

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

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

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.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

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

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

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

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

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

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

This project concerns activity happening millions of miles away, on the sun.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

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.