This worksheet helps kids understand variations in animals and how the same kind, or species, can sometimes look different from each other.

This nature coloring page features a detailed depiction of Hibiscus flowers and an African Mantis that your second grader can bring to life by adding color!

Little space explorers can learn about the planet Neptune with this stellar coloring page! Help your child read some fun facts about Neptune as she colors.

Here's a stormy science adventure that will blow your socks off! Learn about tracking hurricanes with this map of coordinates.

In this word scramble, children solve a riddle by identifying which things are made of plants and which are not.

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.

Introduce your child to the inclined plane, one of the six simple machines that helps to make work easier for us!

Learn about spider tortoises, one of the world's tiniest tortoise species, with this handy worksheet. Can't go to the zoo? We bring the zoo to you!

Engage your little scientist with a fun word search, all about sinking and floating! He'll be learning a basic concept of physical science.

Does your second grader love farm animals? This easy writing exercise will help your child be more observant about tracks left by some familiar animals.

Where is the Earth in space? Check out this worksheet that describes where weÃand some of our neighborsÃare in our galaxy.

Read the definitions of soil, sand and dirt then write where you can find each type below the pictures. Nurture your budding geologist!

Learn how sand dunes form, and a little bit about desert formations like yardangs as well, in this science summary sheet.

Help your child learn about the nervous system and the digestive system with this fun worksheet, which will challenge his knowledge of physiology.

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

Aspiring astronomers, here is a wonderful introduction to the constellations! Your child can learn about Aries the ram with this worksheet.

How much does your child know about the structure of his stomach? Learn a bit about this important organ with an informative anatomy sheet!

Can you match the scientist with the unit of electricity or power that is named after him?

These fins are made for walking! Check out this coloring page of the shortnose batfish.

Back in ancient times, the stars were used as storytelling tools. People created characters and stories that they saw in the stars, like Leo the lion.

Don't believe a bird could catch a rattlesnake? Believe it. The greater roadrunner lives up to its name by running up to 20 miles per hour and hunting snakes.

Wedge your way into physics fun! You and your child can learn a bit about one of the six simple machines with this worksheet all about the wedge.

Just like people, animals have babies that grow up into adults. On this worksheet, Kids draw a line to match each baby with its adult version.

How much do you know about man's best friend? This fun worksheet is jam-packed with fun facts about dogs!

All living things need water to survive. Listed are some of the ways we use water: can your child think of others?

Constellations are not just named after animals, some of them are named after people! Learn about the constellation Sagittarius with this fun worksheet.

Constellations are groups of stars that form a picture, usually with a story behind it. But many constellations are also zodiac signs, like Libra, the scales.

Get lost with a dizzying maze that challenges you to help the lightning bolt reach the ground!

Check out this Awesome Anatomy page about your voice.

Learn all about the liver with this anatomy sheet. Our liver is one of many organs in the digestive system expelling waste from the body.