Your skeleton helps you leap, somersault, and touch your toes-- without it, you would be as floppy as a beanbag There are over200 bones living and growing inside you that make up your skeleton.There are also ligaments and joints that hold your bones together,and cartilage in your bendable parts like your ears and your nose.Learn all about what a skeleton can do -- because this isn't somemake-believe Halloween skeleton, this is the real skeleton insideyou.
Coral reefs are beautiful underwater cities that bustle withexcitement and activity. From clown fish to spiny lobsters,hundreds of plants and animals live on coral reefs, making them oneof nature's greatest treasures. What happens during a typical dayin these marine metropolises? Read and find out
Bats fly into the spotlight in this exploration of such basics as where the live, how mothers raise their pups, and how they hunt for food. Included as well is a simple plan for a building a backyard bat house.
Exceptional nonfiction for children from two of the mosttrusted names in science education: Seymour Simon and theSmithsonian Institution.
Penguins certainly are a different bird! They spend seventy–fivepercent of their lives in water and they can’t even fly! Penguinsare classified as birds because they have feathers. So explore apenguin’s world by finding out how they can swim so fast, what theyeat, and how people need to help protect their habitats. Includes:o Smithsonian mission statement o Glossary o Index o Website andadditional reading sources o Series thumbnails on back pan
The O'Malleys are off to the beach! But it's a long, hot, boringdrive. What can Eric, Bridget, and Nell do to keep busy? Play tallygames, of course -- counting up all the gray cars or green T-shirtsthey see. Whoever has the most marks at the end wins thegame. Eric wins the first game. Bridget wins the second. It seems likepoor Nell will never win a game! But Nell has the luck of the Irishon her side, and a surprise in store for her big brother andsister.
Don't move a muscle--read all about them Did you knowthat... Without muscles you couldn't blink--or even breathe Nearly 700 muscles control your life. Big or small, a muscle is made up of just one cell. Exercise doesn't give you more muscles, but it strengthens theones you have. Discover how muscles make us move--and see what it really lookslike under your skin.
How did Leonardo da Vinci become interested in flight? Whatare some of his most famous paintings? Do his scientific ideasmeasure up to what we know today? Find out the answers to thesequestions and more in Magic Tree House Research Guide: Leonardo daVinci, Jack and Annie’s guide to the mad genius himself.
Kangaroo is back! In this story he and his friends at campdivide into halves, thirds, and fourths to form teams at field day.Readers will cheer on this rowdy crew of Australian animals as theyswim, canoe, play tug-of-war, and have a good, goofy time.
Four kids and their sidekick, Petey the parrot, run asometimes thriving lemonade stand whose patrons include all kindsof wacky neighbors—even a juggler. They create a bar graph to trackthe rise and fall of their lemonade sales. Illustrator Tricia Tusahas imbued the story with her delightful sense of humor and hasmade understanding bar graphs a breeze.
This first look at robins follows a full year of growth andchange: how the birds develop inside their egg during the spring,how they mature from chicks into fledglings in the summer, how theylearn to fly in the fall, and how they leave for warmer climes inwinter—only to return when spring comes around again.
What causes earthquakes? Where do they happen most? Whatshould you do if you feel the earth shake? Just follow the friendlycrow-in-the-know for all the answers
Exceptional nonfiction for children from two of the most trustednames in science education: Seymour Simon and the SmithsonianInstitution.
Mark Moffett finds frogs. And when he finds frogs, he findsadventure. He describes a close encounter with the deadliest of allthe poison dart frogs in Colombia, South America. One accidentalbrush up against the frog could mean death. 'I had to lie on theground with my camera only two inches away from the terribilis frogto take her picture. Compared to most frogs, she was curious,showing little fear. If you are deadly, you don't have much to befrightened of. Sometimes she hopped toward me, but I couldn't allowher to touch my skin. It was strange to be scared of such a prettyfrog'. In the wide world of frogs, some are fearsome and some arefriendly. Mark Moffett knows them all. Frogs are amphibians whomust spend much of their lives in water. So how can some frogssurvive in the desert? Frogs hatch from eggs as tadpoles. How dothey grow into full-fledged frogs? From metamorphosis to diet, fromhabitat to distinctive features, Mark Moffett offers this excitingand informative glimpse into the world of frogs. T
One Saturday at the beach, Laura, Juan, and Sarah decide to havea sand castle contest. As the tide rises, the walls get longer, thetowers get taller, and the moats get deeper. The friends measuretheir sand castles with spoons, shovels, and bare feet until Larrythe lifeguard and his tape measure surprise them all.
Crocodiles and alligators have always been one of humankind'smost feared predators. Around since the days of the dinosaurs, theyare probably the source of myths about ferocious serpents andman-eating dragons. All tall tales aside, these reptiles remainfascinating creatures. Did you know that crocodiles and alligatorseat their food without chewing? Or that they use the sun toregulate their body temperature? Renowned science writer SeymourSimon's accessible text, and full-color photos, provide a stellarintroduction to these reptile wonders.
You slip over the side of your boat, descending deep into thedark realm of the Earth's largest creature. Then the whale startsto sing, just feet away from you. You record the sounds, hoping oneday to understand their language. Their music is a rare glimpse ofthis majestic mammal's unknown world. Photographer Flip Nicklinbrings you face to face with whales as they communicate, nursetheir young, and surface dramatically for air. Meet theseintelligent, social creatures in their natural habitat; learn ofthe different kinds of whales, from humpbacks to belugas; discoverhow we can aid their recovery from years of overhunting; and how wecan protect their environment.
Wendy Pfeffer describes the amazing metamorphosis from tiny,jellylike egg, to little fishy tadpole, to great big bullfrog.Holly Keller has created the archetypal frog pond and we see itthrough the seasons as the tadpoles grow legs and lungs andeventually hop onto land: bullfrogs at last.
Kids love dinosaurs, and now they can take the same steps as aT-Rex! Many of these fascinating prehistoric creatures left theirtracks or footprints in the ground. Read and find out how theseamazing developments all started with a footprint created millionsof years ago. Fossilized dinosaur tracks can possibly teach us moreabout how these creatures lived than we could ever learn frombones.
Most children have jumped into piles of leaves or helped theirparents rake the yard, and everyone has wondered: Why do leaveschange color? Activities that a child can do with leaves and even alist of places known for brilliant fall colors that readers canvisit with their families is included.
Each person in the United States makes almost five pounds oftrash every day. That’s more trash per person per day than peoplemake in any other country! We throw away everything from applecores to bicycles. Sometimes, we even throw away things that couldbe poisonous if they aren’t disposed of properly. And often, wethrow away things we shouldn’t, things we could use again. So, whathappens to all our trash? How does it affect the environment? Andhow can we stop making so much of it? Read and find o