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

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

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!

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Help your child practice symmetry with this fun activity that will leave your child with a sweet symmetrical treat!

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

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

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.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

This science fair project idea determines which flower lasts the longest.

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

This Christmas plate features your child's favorite holiday things through drawings. Make a Christmas plate with your child this holiday season.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

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

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

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

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

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

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

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

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

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

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

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.