Showing Results for how when

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

Let your curious kid learn a little bit about how fireworks work in this summer science sheet.

Do you know how tornadoes form?This science worksheet diagrams what is known about what causes tornadoes to form.

Do you know how Tsunamis are formed? This worksheet shows the physics behind tsunami formation.

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

Learn about how the Earth was formed in this science worksheet that covers the early years of the Earth.

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.

Rainbows look like swipes of brightly colored paint hanging in the sky. Have you ever wondered how they got there?

How does blood flow through the heart? This worksheet prompts kids to map how blood is pumped through this sophisticated organ.

Color in this Awesome Anatomy page on the respiratory system and learn about how we breathe!

Color this Awesome Anatomy coloring page that focuses on how the ears work to hear sound.

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

Did you know plants make their own food? Discover how with this fill-in-the-blank worksheet for third and fourth graders!

Learn about pearls, which seem like normal jewelry from a factory but are actually made from the mucus of mollusks!

Learners will discover a simple overview of the human muscle system in this introductory worksheet.

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!

Help kids understand the size and scope of billions of years with this helpful reference worksheet.

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!

Introduce your budding scientist to chemical reactions with this simple and fun science experiment!

Discover the impact of water on Earth’s landscape with this fourth-grade erosion worksheet!

Find out everything you need to know about lightning rods! These metal poles have quite a special relationship with lightning.

Use a seesaw to see what happens when opposing forces become balanced or unbalanced!

Have you ever wondered why giraffes have long necks or why lions have sharp teeth? Find the answers in this third- and fourth-grade worksheet about adaptations!

Discover the connections between the sun, plants, and animals in this fifth-grade worksheet all about photosynthesis!

These clever birds harden and disguise themselves as tree branches when threatened. Learn more and do some coloring with this worksheet.