Young scientists are the only hope for finding the missing information from these elements of the periodic table!

Boost your chemistry skills by filling in the missing information about the elements, using the included periodic table.

Hone research skills while learning about the famed Silk Road in this exploratory world history worksheet! 

Give your learners practice finding the greatest common factor (GCF) and the least common multiple (LCM) with this fun code-breaking worksheet!

Use this stand-alone timeline as a handy reference for key events leading up to the beginning of the Civil War in 1861.

Students familiarize themselves with the three regions of the American Colonies in the 1700s with this three-page social studies worksheet!

Practice rewriting expressions as products using the distributive property of multiplication in this sixth-grade math worksheet.

Learn how sensory information is processed by the somatic and autonomic nervous systems with this engaging science worksheet! 

This engaging science worksheet asks students to explore, analyze, and compare scale properties of planets in the solar system.

Become a GCF master with this math worksheet! Practice finding the greatest common factor of 2 or 3 numbers ranging all the way up to 100.

Students learn about the legislative branch of the U.S. government and explore key facts about the two chambers of Congress in this engaging civics worksheet!

Upon finishing The Lightning Thief by Rick Riordan, readers compare the written and visual forms of the story in this extension activity!

Crunch the atomic numbers of different elements in this worksheet!

Can middle-grade chemists recover the missing information about these elements from the periodic table?

Give students the opportunity to explore the phases of the moon with this engaging science worksheet! 

Discover how myths explain the origins of the world with this fifth- and sixth-grade reading comprehension worksheet!

This painless--even fun!--worksheet gets middle-grade students practicing with the information in the periodic table of elements.

Practice calculating the least common multiple (LCM) of two numbers with this useful worksheet!

Some devious mice have stolen important information from the periodic table. Can middle-grade chemists put the elements back together again?

Put students’ understanding of coordinate planes to the test with this engaging geometry activity!

Learn about the geological processes that create fascinating landforms like Utah’s Delicate Arch!

Never miss out on a good deal with the help of this sixth-grade worksheet!

Record your notes as you learn about the cell cycle with this one-page template!

These elements are all out of sorts! Can you check out the periodic table to find the missing information from each element?

Important information has gone missing from the periodic table. Can you fix up these elements so that they read the right way?

Give learners more practice finding perimeter on the coordinate plane with this sixth-grade math worksheet!

Give learners additional practice finding perimeter on the coordinate plane with this sixth-grade math worksheet!

Master determining the greatest common factor (GCF) of a set of numbers with this inviting worksheet!