Did you know that cheetahs are the fastest land mammal? This fun worksheet is jam-packed with fun facts all about the cheetah.

Did you know when a plant is "coniferous" it means it has needles for leaves? The temperate forest ecosystem is full of these! Learn more with this fun sheet.

Did you know there are temperate rainforests all along the west coast of the U.S.? Learn about this cooler rainforest ecosystem with this fun sheet!

Review energy terminology with this fun fourth-grade crossword puzzle!

Learn to read a standard thermometer in both Fahrenheit and Celsius in this informative second- and third-grade worksheet! 

Review the terminology of collisions with this engaging crossword puzzle for fourth graders!

Apply concepts of energy and motion to marbles in this fourth-grade worksheet!

These 12 dinosaur names are all mixed up, and need a dinosaur expert to help unscramble the letters.

Open your ears for some interesting science! Your little biologist will learn the basic parts of the ear with this diagram.

Nature is all around us! But how much does your child know about our natural world? Test her knowledge with some nature fun-facts trivia.

What's the animal that swims upstream? Help your child figure this out with this cold-blooded animal crossword puzzle worksheet.

Shape up your knowledge of living things with this plant sorting soirÃe! Your kid will build observational skills by describing the attributes of each plant.

Can you name the different parts of a tree? This scrambled words worksheet is a great way to get your child thinking about life sciences and nature.

Here's a great introduction to five famous astronomers for kids. See who got the star party started with this worksheet.

Got a gardening guru on your hands? Give them a fun challenge with this fill-in-the-blanks quiz about the parts of a seed!

How can an owl have long ears? Find out a few fun facts about the Long Eared Owl with an info sheet!

There are lots of stories around the world for the rabbit moon: a rabbit image seen in the shadows on the moon's face. Here's one for young moon-gazers!

Students demonstrate their understanding of the rock cycle in this engaging science worksheet!

Experience some explosive earth science! Use this diagram to teach your child about the various parts of an active volcano.

Quiz your little scientist on his knowledge of the soil layers! He'll be reviewing some important earth science concepts and key terms.

Can you tell which types of weathering caused each of these changes in the earth? This activity is a great way to review the 3 main types of weathering.

All living things are made up of many different parts to help them function! Can you name and draw all the parts of a plant?

Discover some fun facts about the sun — and bring it to life with color — with this astronomy worksheet!

Seasonal weather postcards get kids to learn some vocabulary and identify the seasons. Learn about spring, summer, fall, and winter with weather postcards.

Walter's Duiker is a new species of duiker, a kind of antelope, and one of many new species discovered between 2009 and 2011.

This Thanksgiving, serve up some Thanksgiving science learning and find out all about the chemicals that make up a typical Thanksgiving meal.

Students hone their understanding of the similarities and differences between animal cells and plant cells in this middle grades life science worksheet!

"The hip bone is connected to the...?" Sing the song perfectly with the help of this worksheet on the skeletal system!

An energy pyramid is a simple way to graphically show how energy flows in an ecological community; somewhat similar to the food pyramid.

Label the parts of a tree with this simple science worksheet!