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What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Here's a hands-on way to help your child understand how common fractions can be equivalent.

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

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.

Here's a fun at-home activity that will help your child strengthen his ability to work with and interpret data in various forms.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

Invite your kid to decorate your family's ordinary coffee mugs with brightly colored beaded rings!

Your fifth grader will have a blast sewing this plush neck pillow--and he'll sure be glad to have it on long car or airplane trips!

In Japan, ozoni is one of the main dishes eaten on New Year's Day. Here's how to make this delicious traditional dish with your child.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Encourage your child to take ownership of a plant by creating a care plan and following it over the course of a couple of weeks.

Introduce your child to the world of kite flying with Kite Frisbee, a great game that develops her kite flying and Frisbee playing abilities at the same time.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

Help your child create her very own invention just like Leonardo da Vinci as she develops her critical thinking skills and lets her imagination soar!

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project idea explores the different properties of matter.

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.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

Does your child know all the greatest kid-friendly places in town? Here's an activity that lets them create a cool city guide and work their writing chops, too!

Teach children how to upcycle dried-out markers with this homemade paint-making activity!