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

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This science project allows students to study the psychology of happiness.

Find out which type of sponge holds the most water.

This science experiment tests if dog saliva can really help heal wounds.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

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

Find out whether matte or shiny nail polish lasts longer.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea determines if the color of light affects the growth of plants.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

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

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.