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

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

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

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

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

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Science fair project that creates fog using bottles of hot and cold water.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

Make pickled carrots at home! Here's a fun activity to get your child in the kitchen and make something special with no fuss or muss.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This project examines how temperature affects the volume of gas in balloons.

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

How powerful is the reaction between baking soda and vinegar? Find out here!

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

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.

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.

This project explores whether music affects the growth and health of plants.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

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

This experiment investigates if stress alters body temperature.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

This experiment investigates if small changes in your diet can alter your basal body 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.

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

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

This study observes plants, insects and an animal living in proximity to a known source of EMF.