Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

There are a lot of ways to make decorative wreaths. This wreath uses cloth and egg carton flowers!

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

New readers need to develop a "bank" of words they can read by sight. Hate flashcards? Consider this fresh way to practice sight words to perfection...Bingo!

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

Determine how good we are at direct and indirect observation.

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

Learn how to make sushi at home, and turn dinner into a social studies lesson for everyone.

This science fair project examines whether ocean water can be made safe to drink.

Explore what freedom and liberty mean to you this Fourth of July with a beautiful portrait collage!

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

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

This flannel board will give your child hands-on practice with math, but in a fun format, full of ladybugs.

In this cool robotics project, construct a motorized robot with a sensor and put it through a maze test to find the number of errors it makes along the way.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

This science project idea's objective is to understand how TV mysteries change expectations of mystery stories.

This science fair project idea tests the efficiency of short term memory.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Explore the relationship between personality traits and birth order effects.

Test your friends to find out if you can replicate the placebo effect's incredible results.

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.

Even for expert writers, this part of the college application process can be tough. Here's writing activity that will get your teen ready to tackle the task!

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!