Mammals come in all shapes and sizes - as big as a human or as small as a mouse! Learn about the life cycle of a mouse with this cut and paste activity.

Help your child read this page about the Sumatran rhinoceros, where they can color an illustration as they learn about why this animal is endangered.

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.

Get out there and see what nature has to offer! This personal goal-setting worksheet will help your first grader get a head start on the summer.

What is a car made of? This worksheet asks you and your child to think about parts of a vehicle and where each listed resource was used.

This summer word game will help you beat the summer heat. Start by learning a hot summer word, then play a water spelling game outside.

This worksheet will give your child practice with their observation and reasoning skills, by challenging them to match the beetle with the correct spots.

Trace the dotted lines to place these holiday icons in the correct seasons. When you're done, write the name of the season underneath the picture.

Ever wonder why sounds change as they move away from us? Learn all about the Doppler effect with this physics worksheet.

Get in tune with nature, and read a bit about an endangered species of animal, the Black-footed Ferret. Your child can color an illustration as he reads.

Teach your child about an endangered species with this information page, all about the Forest Owlet. They can color as they read some interesting facts.

What is biomass energy? Learn about an important form of renewable energy with this colorful worksheet.

Hiccups interrupt us when we're talking and sometimes even get in the way of eating! Find out why we hiccup and discover some unusual ways to get rid of them.

The change of seasons affects the kinds of activities we do. Use these printable weather postcards to show how activities change with the seasons.

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

Do you need a job? Well, this elephant is looking for a new symbiotic partner, and you could be just the candidate he's looking for!

Did you know there are clouds in space? They are very different than the ones on Earth! Read a bit about nebula in this space science worksheet.

How do you think our universe will end? With this worksheet, explore some of the common theories, and then come up with some of your own!

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 student to an endangered species, Przewalski's horse, with this information sheet. They can color the illustration as they read.

With this worksheet, kids read about the sport of biathlon and gain an appreciation for the skills involved by studying the math and physics behind them!

Help your child understand why it's so important to take care of the environment with this info-sheet about an endangered species: the spectacled bear.

Introduce your child to a fascinating new animal, the Baird's tapir. This is just one of many endangered species around the world.

Have you ever wondered why manhole covers are round? It's a good thing to know -- big companies sometimes ask that question in interviews.

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

Did you know that 763 Earths could fit inside Saturn? Learn more fun facts about Saturn on this fun science printable.

Kids can explore ideas of storytelling and science as they fill in this comparison grid with their opinions. Start a conversation of ideas with this worksheet!

Practice identifying living and nonliving things with this first- and second-grade science worksheet!

Learn about a white-tailed deer's needs and habitat with this engaging kindergarten worksheet!

Can you tell if it is sunny, windy, or cloudy outside? Learn about different types of weather in this worksheet for kindergarteners and first graders!