Did you know that invertebrates don't have backbones? Find out some different types of invertebrates with the clues in this crossword puzzle.

Quiz your kid on the names of bones in his spine with this colorful worksheet.

Both of these animals have big ears! Your child will look at the pictures of unusual animals in this worksheet and try to learn some new things about them.

Fact: This worksheet is about unusual animals from all over the world. Opinion: This is the best fact and opinion worksheet ever!

Get to know the basic parts of a plant with this first- and second-grade life science worksheet!

Become a genetic detective with this inquisitive life-science worksheet!

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

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

These worksheets help kids understand food webs, an important part of the life science curriculum in fourth grade.

This worksheet featuring food and natural resources touches on the subject of food chains.

Pick up some peafowl facts on this worksheet with vibrant illustrations. Little ones will read about different types of peafowl and answer some questions.

Use clues to fill in the boxes in this crossword puzzle, and learn more about freshwater fish along the way.

Sandy the bee is going to a party tonight. Encourage your 2nd grader to help him get there on time by drawing hands on the clock for him.

Review the different body parts with a fun crossword! This is a great way for your little doctor-in-training to review the basic organs and their functions.

This coloring page doubles as an info sheet, all about the burrowing owl! Your child will get to draw his own owl using the grid helper.

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

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.

Little gardeners, get to know your plants! See the cycle of a plant from its birth to adulthood, and read a bit about photosynthesis too.

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

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.

Children will look at a model of the human arm and hand bones, then refer to a chart to label it correctly, in this anatomy worksheet.

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

What makes a reptile different from an amphibian?  Learn all about animal classifications in this worksheet for second and third graders!

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

Learn about fish, amphibians, birds, mammals, and reptiles with this colorful life science worksheet for first and second graders!

Classify the animals in this life sciences matching worksheet!

Learning about the functions of plant parts doesn’t have to be puzzling! Review the parts of a plant with this crossword for first and second graders.

What is the purpose of a hard shell or a long neck? Discover different adaptations with this matching worksheet for second and third graders!

Learn the difference between behavioral and physical adaptations with this cut-and-paste worksheet for second and third graders!

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