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.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

Explore the relationship between personality traits and birth order effects.

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

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 compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Set your teen on the beat in a real world "crime scene" investigation. Can he tell whose fingerprints are on a drinking glass?

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.

The project researches how lubricants affect the mechanical advantage of a pulley.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

Explore the neural and mental mechanisms at play in mental imagery.

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

This fascinating science fair project explores eye color genotypes.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!