When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

This science fair project idea demonstrates that plants give off water.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

Science fair project that examines how cell membranes allow the inward and outward flow of materials as demonstrated by eggs.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

Compare different remedies for cooling the mouth after eating spicy food.

This experiment will evaluate how texting and talking on cell phones influence reaction time.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

In this project, a magnet is used to collect iron from breakfast cereals.

Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

Explore the effect of wind speed on the burning rate of a candle.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

I scream, you scream, we all scream for homemade spearmint ice cream!

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

Science fair project that examines the biodiversity of ant populations in various locations.

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

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.