Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

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.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

In this project children practice the scientific method while playing with puffy paint.

Kids conduct a simple science experiment to see if seeds can grow without soil in this simple kindergarten science activity.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Demonstrate which cooking method gets rid of the most fat.

Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

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

Discover how and which salt melts ice the quickest.

Research and understand basic computer science. Build a simple computer, following instructions found online. Design a new or improved feature.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

Science fair project that builds a magnetometer and demonstrate its uses.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Study and categorize the functions and types of genes. Run gene experiments chosen from links. Analyze data, explain ideas in a detailed report.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This experiment will explore the possibility of creating an infinite object by hand.

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.

This science fair project collects information on the Internet about yourself and others.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.