Is your child crazy about snakes? Introduce him to the rosy boa with this fun and informative quiz.

Here's a crazy thought experiment for you. Imagine you could create a monster made out of electricity!

Light can do amazing things, but nothing else brings out its crazy capabilities like the prism. Learn about the dazzling prism and make one of your own.

Get a light lesson in the darkest of creatures, the raven.

Learn about bison, some of biggest creatures in Yellowstone National Park, or anywhere else for that matter.

Stretch your backbones and learn about the creatures that have a spine and those you don't!

What has two legs and carries its baby in a pouch? Fill in this crossword puzzle and learn some fun facts about two-legged creatures!

Animal lovers can learn about sea creatures like sharks, tortoises and seahorses with this ocean habitat activity page, full of fun facts and a word search.

Children learn about the food cycle in a rain forest as they color in a scene of snakes, butterflies, leopards, and other forest-dwelling creatures.

Did you know some baby birds take 10 days to hatch, and some can take 80 days! Learn all about these cute creatures and finish your lesson off with a fun maze.

Can you explain why your blue shirt is blue? This worksheet is full of facts about light and how it reacts with objects to give us the perception of color.

Are you aware of how many endangered species there are in the world? Use this trivia sheet to test your knowledge of some beautiful but endangered animals.

Take a quick lesson in the otters that inhabit Yellowstone National Park and take an even quicker quiz.

Test your knowledge of prehistoric animals with this life sciences crossword puzzle!

Classify the animals in this life sciences matching worksheet!

Expand your sea creature vocabulary with this Life in the Reef worksheet!

These Valentine's Day cards will be the oddest and most unique cards your sweetie ever got!