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Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

This science experiment tests if dog saliva can really help heal wounds.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

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

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

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

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

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

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.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

This project examines what types of objects burn and which burn faster and cleaner.

Find out whether matte or shiny nail polish lasts longer.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!