In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

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

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Have your child kick off their summer vacation by making a miniature water slide!

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Learn with makes water molecules work with this fun and easy science activity!

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

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

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.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

In this activity your child will create their very own marble maze!

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

This simple experiment serves as an introduction to the greenhouse effect.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

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

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Discover flight initiation distance as you play around in the park with this fun bird watching project!