Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

Create uphill flow of water by using a siphon. Create vacuum by suctioning one end of tube, and submerge it under water. Watch the direction the water travels.

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

Would you be able to tell the difference between colored contacts and natural eyes from a normal distance? Find out in this science fair project!

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

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

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.

Look at people's face shape. Do you think their face shape affects your perception of kindness? Find out more in this science fair project idea!

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

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

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

Free science fair project idea examining how different types of water affect plant germination and growth.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Does "short circuit" mean that electricity takes a short course? This science experiment provides steps to help you get to the bottom of this science mystery.

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?