Discover the interactions of synthetic dyes and natural dyes on natural and artificially-made fabrics.

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

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

In this project, the affects of vitamin E are observed on a rose petal.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

This science fair project idea determines how quickly germs and bacteria spread.

Travel back to the Jurassic age with this creative dinosaur activity that would make a great addition to any wall or fridge.

Develop a new system for predicting geographic changes. Demonstrate the nature of geographic change. Make logical predictions.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

This experiment will explore if and where fractals can be found in the natural world.

Can you wink? Is your ability to wink genetic or simply based on chance? Find out in this science fair project idea!

Show your preschooler how to construct this very special planter for Mom. It makes a great pick-me-up, and it's easy for kids to make in a flash!

This science fair project teaches students the differences between fruits and vegetables.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Discover whether ants are more attracted to natural cane sugar or artificial sweeteners.

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Be adventurous this Cinco de Mayo and give this simple recipe using pickled nopalitos a try!

Here's a salt dough recipe that can be used to make ghostly character sticks for fun Halloween decor.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

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 biodiversity project examines the biodiversity in your own backyard.

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

Children reflect on ways they have cared for themselves, others, and the Earth before building a garden to share beauty with others in their community.

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.