Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

Word color association is just a fancy way to talk about the way we connect colors with words.

In this science fair project, students use the streak test to tell minerals apart from each other.

In this activity, your child will be challenged to make a tower using paper cups.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

Teach your child about using pumps to move water in this simple and educational preschool science activity!

Introduce your child to science with something they see everyday--their shadow!

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Create a self-portrait from natural materials in this collage craft activity!

Using a glass fishbowl, you and your kids can create a low-humidity, open-topped terrarium perfect for easy care, drought-tolerant succulents.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

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

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

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Use pepper and soap to discover some fun facts about the properties of water.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

The fish most kids see is usually filleted, and it's hard to see how it came from a lake or sea. This cool gyotaku activity blends life science with art!

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.