Which comes first, genus or phylum? To complete this life science crossword, kids need to put the 9 levels of biological classification in the correct order.

Help your child learn about one of the most elementary elements, gold.

Hypothesis, observation, data...with so many terms, learning the scientific method can be tricky. Learn the steps by helping Dr. McSquare sort out his reports.

Dr. McSquare needs help sorting out his lab reports. Can your child read each item, then label it with the correct scientific method step?

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

Explore one of the great mysteries of the universe with this space science worksheet on black holes.

Learn more about the bones in your body and just how important they are with this reading sheet and diagram, all in one.

Discover some of the fascinating properties of gravity by studying one of Newton's famous laws, the Law of Gravitation.

A fill-in-the-blank exercise on tornadoes, made for fifth grade science students.

Did you know people can live with just one kidney? Get a head start on human anatomy with this info sheet on kidneys.

How was our solar system created? Read a bit about one of the most well-known theories in this worksheet about the Big Bang.

Get charged up about static electricity with this informative fourth- and fifth-grade worksheet!

Ever wonder how the human body functions? Enjoy this great info sheet all about the human heart, one of our most important organs.

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

Learn all about the liver with this anatomy sheet. Our liver is one of many organs in the digestive system expelling waste from the body.

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

Discover Earth’s different spheres with this fourth- and fifth-grade earth science activity!

Discover Earth’s four major systems, or spheres, in this engaging fifth-grade worksheet!

Light can do amazing things, but nothing else brings out its crazy capabilities like the prism. Learn about the dazzling prism and make one of your own.

Discover the connections between the sun, plants, and animals in this fifth-grade worksheet all about photosynthesis!

Did you know an elephant can eat 300 pounds of food in one day? This fun worksheet is jam-packed with fun facts, a word search and trivia, all about elephants!

Water covers 70% of Earth’s surface—but where exactly is it? Find out in this fifth-grade worksheet!

This water cycle worksheet is great for 5th grade scientists. Try this water cycle worksheet with your child as a review for test preparation.

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

Fifth-grade learners will look at a diagram of a cell, then follow the instructions to label its parts by color.

Do you know the functions of the primary organs in the human body? Put your knowledge to the test with this fourth- and fifth-grade crossword!

Break down a word to create new ones with this fun worksheet for second through fifth graders!

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