In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Thanksgiving is a time to be with loved ones. It's also a time to chow down! Need help in the kitchen? There's no better helper than an avid fourth grader.

Use a beloved toy as a jumping-off point for a fantastic storytelling exercise in this activity that will get the littlest ones thinking about creative writing.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

Engineers in training can get started with this simple wheel-and-axle construction activity.

Preschoolers are fascinated by how colors can be mixed to form new ones. This activity combines color mixing with the concept of melting for extra science fun.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

With this activity, your third grader will get experience with informational writing, and your Thanksgiving guests will leave with a keepsake to cherish!

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Valentine's Day is a great day to show loved ones how much you appreciate them, and this love bug craft is an adorably simple way to spread the love.

The objective of this science fair project is to investigate salt water density.

The science project fair idea explores the interaction between your nose, mouth, and brain when tasting a new food or drink.

Here's a fun activity you can do at the library to help your child learn the sequencing of numbers and letters.

Guessing is more than pure fun, it's also a key part of kindergarten math. Here's a fun way to bring estimation to the breakfast table.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

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

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Explore the relationship between personality traits and birth order effects.

In this project, several food items are tested to determine whether they contain starch.

This science fair project idea compares the mass and density of objects.

The project investigates how water and movement affects erosion.

Play this fun math numbers game with your kindergartener! Practice following instructions as you roll the dice and count.

This experiment uses Rosenberg's Self Esteem Scale to evaluate if there is a correlation between family size and self esteem.