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

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 explores whether factors such as temperature and concentration affect the pH of a solution.

Can cells be frozen? This science fair project provides information to answer this question.

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

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.

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

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

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.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

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

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

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

This science project idea determines whether cold water boils faster than warm water.

This experiment investigates if stress alters body temperature.

Explore the wattage of microwaves in relevance to cooking time.

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

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

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

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

These delicious Easter Basket Cupcakes are a simple, creative holiday treat. These cupcakes sit in waffle bowls with festive coconut grass and jellybean eggs.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

This science fair project idea tests the effect of heat- at varying temperatures- on the viability of biological enzymes.

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

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

Dig up some dinos while promoting curiosity and sensory skills in this hands-on activity that will have your child searching for prehistoric treasure!

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.