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

Learn about the amphibians and reptiles of Yellowstone National Park.

What happens to water as it travels through mushy, smushy wetlands and swamps? Find out all about the water cycle and fill in scientific terms in the swamp.

Mix a little art into your science with this reading-slash-drawing sheet on hills and valleys.

Can you explain why your blue shirt is blue? This worksheet is full of facts about light and how it reacts with objects to give us the perception of color.

Teach your child the difference between potential and kinetic energy with this introductory worksheet.

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

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

Is your child trying to answer the question what is weathering and erosion? This info sheet gives good definitions of the terms and some visual examples.

How do the Sun and the Moon interact with the Earth, and how do all three depend on one another? Find out in this science worksheet.

Discover how seeds move to new places with this cut-and-paste worksheet for second and third graders!

Here's a quick overview of drought and flooding to spark thoughts or conversation with your kids about water.

Earth has many different land and water features—can you recognize them? Test your knowledge with this crossword puzzle for third and fourth graders!

What's the difference between renewable and non-renewable energy? Help your student discover the various forms of energy we use each day.

Did you know that ocean water is salty, but river water is not? Find out how fresh and salt water mix together in this water cycle worksheet.

Help third and fourth graders become rock stars with this informative geology worksheet!

Kids learn important plant and animal cell vocabulary as they plug the words into their correct spots and complete the puzzle.

Introduce your flashlight to mirrors. Mirrors are cool surfaces that reflect light just as well as they reflect your face.

Change up your regular classwork with this hands-on science worksheet!

Test your child's science savvy with this worksheet, which asks your child to identify what items are made from plants.

Use a seesaw to see what happens when opposing forces become balanced or unbalanced!

Test your knowledge of prehistoric animals with this life sciences crossword puzzle!

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

Get a lesson in sports and science with this engaging third- and fourth-grade worksheet!

Learn some new words and facts about precious minerals with this word-scramble and matching worksheet.

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

Make a splash with this hands-on first, second, and third grade science worksheet about sound and underwater vibrations!

Take a look and learn all about this beautiful and rare tiger from the islands of Sumatra in Indonesia.

Color in the gold and red colors of this common grasshopper species and learn about insect orders with your child!

Learn to read a standard thermometer in both Fahrenheit and Celsius in this informative second- and third-grade worksheet!