This science fair project idea discovers the effect of (high) heat on animal cells.

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

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

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.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

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.

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

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

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.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

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

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.

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.