Does your learner ever wonder what makes the Earth dark at night and bright during the day?

How far away is the Red Planet from the sun? Find out with this great Solar System printable.

Track down some of the most famous animals of the Amazon -- and other places -- with this rainforest coloring page that doubles as a life-science lesson.

Did you know that an elevator is actually one of the six simple machines? Help your child understand how the pulley works.

Here's a great way to teach your kids more about our solar system. This worksheet focuses on the dwarf planet, Pluto.

Did you know that ocean water is salty, but river water is not? Find out how fresh and salt water mix together in this water cycle worksheet.

The Mockingbird is Texas' state bird: it can mimic the sounds of other birds, and even the sounds of insects.

Explore the circle of life with this informative coloring sheet! Help your student color and learn the names of each stage of a dragonflyâs life.

When spring is in full bloom, be sure to get outside to smell the flowers! Your little nature lover can have fun with this flower identification activity.

What are the different layers of soil? In this worksheet your child will use clues to identify four major soil components: silt, topsoil, humus, and clay.

Whether you say buffalo or bison, it is still the largest land mammal in North America. Discover a bit more about this majestic animal.

Read about Alexander Graham Bell, the man who made it possible for us to stay connected all day long, in this biography that comes with a science experiment.

Little space explorers, meet Mercury, the closest planet to the sun! This planetary coloring page comes with some fun facts about Mercury.

Do you know what can be found in the desert? Teach your child to read and spell a few new vocabulary words with this desert word search!

Ever wonder what a shooting star is made of? With this colorful worksheet, learn about comets while practicing reading comprehension and handwriting.

Are cats trying to talk to us when they purr? Discover the meaning behind the purr in this worksheet that explores the three main types of cat purrs.

Find out how colors work with an intro to the color spectrum. Kids will investigate the seven colors of the rainbow and do a color wheel experiment.

One of the most famous and easy to spot constellations is the Big Dipper! Formally known as Ursa Major, this constellation was named after a bear.

Did you know jaguars are great swimmers? Kids will learn all about rainforest animals with this fun activity page, including a word search and coloring!

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!

What is water energy? Also known as hydro power, water energy is one of our important renewable resources!

Children get to know the tracks of familiar farm animals in this drawing activity.

Children hone their observation skills by matching the tracks to their corresponding water animal in this worksheet.