Students compare structures in the bodies of different organisms in order to draw conclusions about evolutionary relationships in this life science worksheet!

Explore the difference between asexual and sexual reproduction in organisms with this middle school science worksheet!

Kids will cut out the various functions listed at the bottom of this kidneys and intestines worksheet and match them to the correct organ.

Are chickens mammals, fish, or birds? Sort animals by their traits in this informative life science worksheet!

Learn how to analyze DNA with this informative exercise designed for middle-grade students!

Some people think alligators and crocodiles are the same, but there are some distinct differences. Check out this cool worksheet to learn what they are.

Believe it or not, pine trees and ginko trees have different shaped leaves. See the shapes for yourself and match each leaf to its correct tree.

Students are introduced to the different types of symbiotic relationships that exist in ecosystems in this life science worksheet.

Budding biologists can learn all about human digestion with this information page, complete with a diagram of the digestive system.

Flex your mind muscles with a body science worksheet! Your child will learn the fundamentals of what makes up our muscles.

What happens to our food after we swallow it? Chomp on some body science with this diagram of the digestive system.

Discover how animal behaviors increase the probability of successful reproduction and offspring survival with this middle school science worksheet!

This Echidna coloring page features the rare, egg-laying mammal! Add color to the pictures and learn a few fun facts about this rare species.

Learn the ins and outs of one of the body's most important organs: the heart!

Students read about genetic mutations in order to understand how mutations affect organisms in this engaging life science worksheet!

Help your 2nd grader crack the code using triple digit addition and subtraction to find out what parts of camels can be used to make some tasty dishes.

Get your learning lasso ready for this plants and animals round-up! Can your child tell the difference between a living and non-living thing?

Learn the scientific names of this popular flower and its partner, the grasshopper, with this fun coloring sheet!

Students demonstrate their knowledge of the structure of plant cells in this middle grades life science worksheet!

Find out what the Sting Ray and Manta Ray's scientific names are in this fun sea coloring page and have a blast coloring these slippery sea rays in!

What does a dog eat? Kids choose the pictures that show what kind of food each animal likes to eat in this first grade life science worksheet.

Learn about a few common insects and arachnids as you color them in!

What does a butterfly eat? Kids choose the pictures that show what kind of food each animal likes to eat in this first grade life science worksheet.

Here are listed a handful of natural resources, for kids to classify as renewable resources and nonrenewable resources.

Discover how plants survive in the desert with this third-grade habitat worksheet!

In this coloring page, you will learn the scientific names of the hermit crab and sea crab and will be able to see the differences in how each one looks.

These printable Valentine's Day cards are perfect for a kid who's in love with animals and science!

Match the sense to the picture in this five senses worksheet!

Give students an opportunity to model how genes are passed down to offspring with the help of this Punnett squares worksheet!