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 compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

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

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

This science fair project idea explores substances that cause a bubble to last longer.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This science fair project idea provides evidence that air is everywhere and takes up space.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

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

Make sourdough bread...and learn some colonial history and modern science in the process!

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

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 which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

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

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Have your child kick off their summer vacation by making a miniature water slide!

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!