Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

In this science fair project, students create their own miniature salt flats at home.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

This science fair project teaches students about wilting and browning of salad greens.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

Explore if planting seeds in a certain direction will affect how fast it germinates.

In this science fair project, students make their own rain gauge to measure rainfall.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

This science fair project idea investigates if fats add to the flavor of food.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.