Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Use a fish tank to simulate a pond! This science fair project explores the relationship between acid rain and the dissolved oxygen concentration of water.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

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

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

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

This science fair project idea examines the reason boats are shaped and engineered.

Examine the connection between temperature and chemiluminescence.

Science fair project that determines whether moths are attracted to one color of light more than others.

The purpose of this science fair project is to build a basic radio.

Learn how different types of soil affect how animal tracks form in this experiment!

This science project teaches students to classify different shapes of leaves.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

Check out this cool science fair project idea to learn why it is important for kids to eat healthy foods like fresh fruits and vegetables.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.