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.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

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

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

This science fair project will help students learn about non-vascular plants, such as mosses.

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.

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

Plant a mini herb garden and teach your child about science and nature.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

In this fun activity, your child will create their very own solar oven to bake s'mores!

This science fair project idea examines which type of insulation holds in the most heat.

Make a spring collage with your child to get them outside and those creative juices flowing!

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

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

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

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

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

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.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.