This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Discover whether cold or hot water from the faucet will boil faster on the stove.

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

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

This science fair project idea explores whether white light can be separated into different colors.

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.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

This science research project challenges students to think of more effective lobster farming methods.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

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

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

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.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

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

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Find out whether matte or shiny nail polish lasts longer.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.