What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

In this project, the affects of vitamin E are observed on a rose petal.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

The project is to investigate yeast fermentation and its results on hand of latex balloons.

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.

This science fair project idea researches the effects of acid rain on plant growth.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

In this experiment, the weight of aluminum cans will be compared.

Help your kindergarten science maven explore the water cycle without getting everything wet.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

This science fair project idea examines liquids of different densities.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.