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Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

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

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

This science fair project examines how seeds hitchhike on animals and clothing.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Slip some science into storm watching with a homemade rain gauge!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Using a toy race car kids create a visual model of the Doppler Effect.

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

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

Help your child celebrate the summer and the sun by making a sandy seascape.

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

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.