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

Children are introduced to the concept of the speed of light in this illustrated worksheet.

Learn how conductors and insulators affect the flow of electricity in this helpful fourth- and fifth-grade worksheet!

Get to know the platypus with this fill-in-the-blank activity for kindergarteners and first graders!

Discover the difference between comets and asteroids in this stellar earth and space science worksheet!

Strengthen your understanding of forces with this kindergarten worksheet!

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

Learn about and color in space suits in this three-page science worksheet!

Get to know the Apollo 11 space mission in this science and history worksheet!

Classify the animals in this life sciences matching worksheet!

Is orange juice a solid or liquid? What about a cookie? Practice classifying everyday objects in this first- and second-grade states of matter worksheet!

Analyze everyday objects and identify states of matter with this second- and third-grade science worksheet!

Learn to identify and name the parts of a seed in this two-page science worksheet and quiz!

Discover the phases of the moon with this third- and fourth-grade space science worksheet!

Learn how energy changes forms with this fourth- and fifth-grade physical science worksheet!

Do you measure distance in inches or seconds? When do you use miles? Answer these and more with this third-grade worksheet about the customary system of measurement! 

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

Study the night sky with this hands-on science worksheet for third and fourth graders!

Listen to the sounds of everyday life in this science worksheet!

Analyze an axolotl with this kindergarten and first-grade worksheet!

Prepare for an exciting experiment with this cut-and-paste lab safety worksheet for first and second graders!

Observe the life cycle of an oriole with this second- and third-grade worksheet!

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

Searching for a worksheet to help your fourth grader with science? This printable will help him with geology.

Learners will discover what heat waves are, and how they are connected to global warming, in this two-page earth sciences worksheet.

Dig your hands into some earth science with this soil sheet! Your little scientist can hone his reading skills as he learns what soil is and how it is formed.

Draw the phases of the moon in this earth sciences worksheet!

Kids learn about the Earth's solid and atmospheric layers, then label the diagram with the correct terms in this fifth grade Earth science worksheet.

Hey, did you hear that? Explore real-life examples of sound energy with this kindergarten and first-grade worksheet!