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These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

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

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

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

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

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Stringy orange ghoul guts are actually a healthy and gross-looking appetizer for your child's Halloween party.

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

Determine whether the application of Febreeze will lower the bacterial count.

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

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.

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

Instead of loading up on mayonnaise based potato salad, your child can whip up something healthier: German potato salad!

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.

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

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

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

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

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

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

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