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.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

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

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

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

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

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.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This science fair project idea investigates if fats add to the flavor of food.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

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

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.