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Find out whether putting something on top of a plant will inhibit its growth.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

In this project students experiment with making music using only glasses of water.

Find out whether matte or shiny nail polish lasts longer.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

This science fair project idea examines which type of insulation holds in the most heat.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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

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

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

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

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

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Construct batteries that make electricity from fruits with this fun science fair project.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

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