Learn about the Uinta ground squirrels of Yellowstone National Park.

Learn all about rollie pollies, a small but unique creature that always fascinates little kids. There's even a bit of rollie pollie match to boot.

Mix a little art into your science with this reading-slash-drawing sheet on hills and valleys.

Learn about the second fastest land mammal in the Western Hemisphere, the pronghorn antelope.

Learn all about the cumulonimbus cloud, more commonly known by a much more fearsome name: the thundercloud!

Searching for help with you kid's geography skills? This printable worksheet will teach them the continent of South America.

Learn a little about the constellation called Cancer the crab with this constellations worksheet.

Count the number of sea creatures and make a bar graph with this shark worksheet. Make an underwater word ladder with your 2nd grader, too.

Alfred Nobel, though he held over 300 patents in his lifetime, is most famous for inventing dynamite.

Light up your imagination with this coloring page of the fearsome anglerfish.

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

Find out how scientists explain our yawns and use the graph to keep track of your family's yawns for a whole day!

Read the definitions given for soil, sand and dirt then write down where each element can be found below the pictures.

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

Get outside and take a stroll! This leaf guide will give your little one a great learning experience the next time you're out at the park.

Our ecosystems need a protector; is your third grader up to the challenge? Identify harmful pollutants in a science worksheet that doubles as a coloring page.

Read about one of Yellowstone National Park's coolest animals, the big horn sheep.

Get to know some of the friendly, furry, feathery river wildlife that live near American rivers, then match each one to its home.

Who is this Frankenstein guy anyway? He's not the monster -- he's the guy who invented him.

This story writing prompt encourages children to get creative with an important life science concept: the food chain!

Learn your clouds with this coloring series of cloud types that merges science with coloring fun.