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

Explore the wattage of microwaves in relevance to cooking time.

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

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

Thousands of witches that come out to celebrate Halloween. Now, your child can make her very own self-standing witch.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

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

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.

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

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Science fair project that cultivates slime mold and monitors the stages of its development.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

This project explores what happens to a rubber band when it is heated and cooled.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

Shamrock Stamps are a great way to celebrate St. Patrick's Day. Simple and symmetrical, this symbol of Irish culture is the perfect shape for prints.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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

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:

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

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

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