This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

Find out if most people can distinguish the difference between tones on different instruments.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

This science research project challenges students to think of more effective lobster farming methods.

Monitor the impact learning how to play chess has an academic performance. Divide subjects into two groups compare GPA

This science fair project explores whether musicians are better than non-musicians at distinguishing and understanding speech in noisy environments

Make an edible play dough with your child to help her develop her sensory and motor skills.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

Determine how we can separate the components of a solution

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.