Take the mystery out of middle-grade science! The Common Core, a new set of national educational standards, has been adopted by 45 states across the nation. But if you learned about science the "old" way, you may be having a hard time understanding what your kids are bringing home from school--and why. With information on Next Generation Science Standards and practice exercises and experiments, you'll learn: • The rationale behind Common Core...

"In Storms, see what happens when huge masses of air collide. Destructive or not, storms benefit us. The tropical regions of the Earth would be too hot to inhabit--and the subpolar regions too cold -- if we didn't have hurricanes and typhoons to distribute the Earth's heat so efficiently"--Container.

"From levers to pulleys, simple machines make our lives easier. They help roll, lift, cut, tip, and turn everyday objects. In Simple Machines readers will dig into the science behind how we use simple machines to get the job done. Features include critical-thinking questions throughout the text; a simple, hands-on experiment; a glossary and more. Aligned to the Next Generation Science Standards."--Amazon.com.

Bill Nye, the Science Guy goes underwater to talk about ocean ecosystems and the importance of small organisms such as coral, kelp and plankton. Amazingly, these latter organisms are the food of huge whales, which gather them by straining thousands of tons of sea water through their mouths.

In Marine Mammals, Bill Nye explains how they are really more like humans. Listen closely to hear mammals communicate underwater and find out how our "relatives at sea" have found ways to live in oceans around the world.

All blizzards are snowstorms, but not all snowstorms are blizzards! What is the difference? How much snow falls during a blizzard? How fast are the winds? How cold does it get during a blizzard? Read and find out! Written by acclaimed childrens science writer Kathleen Weidner Zoehfeld and with beautiful illustrations by Maddie Frost, What Makes a Blizzard comes chock-full of visual aids like charts, sidebars, and hands-on activitiesincluding how...

Did you know that most of the water on the planet is the same water that's been here since the Earth formed? In WATER CYCLE, Bill uses a whimsical model to demonstrate the phases of the water cycle: evaporation, condensation, precipitation, and collection.

"Have you ever wondered what's at the bottom of the sea? Why polar ice melts? Or which tools forensic scientists use to solve a crime? Well look no further! Everyone's favorite Scarlet Speedster is here to answer all your burning questions! Barry Allen, with the help of some of his close friends, will take readers on an exciting journey that examines everything from the vast expanse of our galaxy to the smallest living organism known to man. Curated...