Test your third grader's biology knowledge with this worksheet, which challenges him to separate invertebrates from animals with a backbone.

Do you know what the Aquarius constellation looks like in the night sky? Complete this dot-to-dot worksheet to find out!

Sagittarius clearly isn't your average archer -- for one, he's half a man and half a horse!

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.

Guess how much strength is needed to pull an object in this physical science worksheet!

This fun cut and paste sheet teaches kids about the process an apple tree goes through as it grows.

Looking for a worksheet to challenge your child's knowledge of science? This printable asks him to identify a solid, liquid and gas.

Illustrate each season with this engaging first- and second-grade weather worksheet!

Match baby animals with their parents in this kindergarten and first-grade worksheet!

Strengthen your understanding of forces with this kindergarten worksheet!

Test your kindergartener's produce proficiency by challenging her to separate the fruit and veggies from other foods on this worksheet.

Learners will discover a simple overview of the human muscle system in this introductory worksheet.

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

These math cards are printable quiz cards to challenge your first grader's overall knowledge.

Practice classifying different animals in this engaging life science worksheet, created for second and third graders!

Explore the vast ocean with this habitat worksheet for second and third graders!

Does your learner ever wonder what makes the Earth dark at night and bright during the day?

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.

Can melted wax turn back into solid wax? Can scrambled eggs turn back into raw eggs? Learn the answers to these questions and more with this second-grade worksheet about reversible and irreversible changes!

Describe how things feel when you touch them and push on them!

Learn about life science on a farm in this colorful activity!

Discover the importance of butterflies in pollination with this informative worksheet!

Build a food chain with this hands-on worksheet for kindergarteners and first graders!

Learn about the life cycle of a wood frog in this second- and third-grade worksheet!

Use your powers of prediction to project the future movement of playground objects!

Ponder the pedigree of plants with this worksheet about inherited traits for upper elementary students!

Who will win the marble race in this two-page physical science worksheet?

Take a peek into a temperate forest ecosystem with this food web worksheet for fourth and fifth graders!

Explore how Earth’s surface can change in this investigative second-grade worksheet!

How do nonliving things help plants and animals stay alive? Find out in this first-grade worksheet!