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Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

In this activity, your child will be challenged to make a tower using paper cups.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

This science fair project idea determines if the color of light affects the growth of plants.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.