Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

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.

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Help your child celebrate the summer and the sun by making a sandy seascape.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

Celebrate April showers with a springtime arts and crafts activity: make sparkly, shiny raindrops with your kid.

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

Discover whether the color of text correlates with ease and speed of reading.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.