Do you know how clouds form? Get the basic idea of how moisture in the air can become a cloud.

Color in this diagram to see how a tree works and to better understand how many plants transport their "food".

Find out all about the different parts of the eyes and how they work together to make vision possible.

Our solar system has hundreds of moons! Read a bit about how a moon is formed with this lunar lesson.

Mmmm honey is delicious, but do you know how it's made? Take a dip into some sweet knowledge and find out the buzzy secrets behind honey.

How many legs does an insect have? Get ready for some creepy crawly counting with this colorful bug collection!

The periodic table of the elements is full of helpful information. Figure out how to read the periodic table with this helpful guide.

All living things go through many changes as they grow to be adults! Help your little one understand how he will grow and change.

Ever wonder what causes lightning to strike? Explore the physics of lightning with this striking physical science worksheet!

Glass is everywhere, but have you ever wondered where it all came from? It doesn't grow anywhere -- we have to make it!

Practice identifying seasons with these printable weather postcards. Kids will see how different weather patterns affect how they dress with seasonal postcards.

Children are introduced to the basic concepts of cloud formation in this diagramming and fill-in-the-blank activity.

Did you know that one of the main ingredients of a perfect pearl is dust? Learn all about the bizarre process behind every pearl with this science worksheet.

Have you ever looked into the night sky and wondered where all those millions and million of stars come from? Find out here with a mini astronomy lesson!

Learn the ins and outs of one of the body's most important organs: the heart!

This fun cut and paste sheet teaches kids about the process an apple tree goes through as it grows.

The change of seasons affects the kinds of activities we do. Use these printable weather postcards to show how activities change with the seasons.

There are many animals around the world whose lives or homes are threatened. Read about an endangered species from Africa with this info-sheet

This set of weather-themed postcards shows your child how to dress seasonally. These postcards help your child identify seasons and improve writing skills.

Introduce your child to a fascinating new animal, the Baird's tapir. This is just one of many endangered species around the world.

Take a trip down to the deep blue sea and learn about the life cycle of a fish! Fish go through the same stages of life as many other living things.

How did salt ever get into the ocean? Find out how, and then try conducting your own salt water experiment.

How can you tell how old a tree is? Look no further! This worksheet gives a basic overview of tree rings for your little scientist.

Ocean resources are an incredible part of how we live our lives; read and write about them with this worksheet.

Learn all about how to convert centimeters to inches in this practice worksheet.

Describe how things feel when you touch them and push on them!

How long does a butterfly live? Find out with this worksheet! Give your second grader a fun way to practice making graphs using given information.

What is wind energy? Teach your students how we can use the wind to create electricity!

Where to flower babies come from? Use this word search to learn about the different pollinators in our environment, and how they help spread plant seeds.

How much do you know about our home planet? Boost your Earth knowledge with this science printable.