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On Wednesday April 24 at 10pm ET the CELA website will be unavailable for about 15 minutes for planned maintenance.
Showing 41 - 60 of 3293 items
By Jeff Szpirglas. 2004
Stomach-flipping, gross-but-cool information about your body, including facts about the mites that live on dead skin, or maggots that clean…
out pus. Everything you ever wanted to know about dandruff, ear wax, tooth scum, and digestive difficulties. Chapter headings include "Sickening Skin," "Hideous Healing," "House of Wax (and Other Leaky, Oozy Things)," "What a Gas," and "V Is for Vomit." Grades 3-6. 2004.By Jill Frankel Hauser. 1999
By Susan Casey. 2005
From finding an idea and creating a working model to patenting, manufacturing, and selling your invention, here is expert guidance…
on all the different stages of inventing. You'll see how to keep an inventor's log, present your ideas, and work as part of a team or with a mentor. You'll meet inspiring kids just like you who designed their own award-winning inventions. And you'll see how to prepare for the various invention contests held each year, including international competitions and science fairs. Grades 5-8. 2005.By Patricia Lauber. 1982
By Jennifer Gardy. 2014
Kids will become immersed in information about pus, bacteria, DNA, genomes, and more. They will learn how germs have shaped…
human history and also about the individuals who are working to hunt them down. Additional elements, like trading card-style profiles of a variety of diseases, a board game, and a detailed index, make this infectious read both useful and entertaining. Grades 3-6. 2014.By Valerie Wyatt. 2003
The answers to some of the most common questions kids may have about inventions, such as "How do the inventors…
know that the inventions will work?" Also describes the invention of jeans, money, chewing gum, television, band-aids, and the computer. Grades 3-6. 2003.By Dennis B Fradin. 1999
Historical survey of theories about life on Mars, from ancient civilizations' perceptions to twentieth-century space exploration. Discusses evidence of canals…
and Percival Lowell's studies of them, discoveries made by the Mariner and Viking missions, and possibilities of future colonization by earthlings. Grades 5-8. 1999.By Jill Rubalcaba, Eric H Cline, Sarah S Brannen. 2011
After retelling a legend of the Trojan War based on Homer's Iliad the authors profile the archaeologists who have sought…
to excavate the remains of the city of Troy, beginning with amateur Heinrich Schliemann. For grades 5-8 and older readers. Some descriptions of violence. c2011.By Susan Hughes. 2010
What ever happened to the thriving city of Ubar? Why did the Anasazi people disappear? Was Hatshepsut really a female…
pharaoh? The author takes on nine historic mysteries from around the world and explains how they have been solved by modern scientific techniques, such as satellite imagery, CAT scans, DNA analysis and sonar. Hughes explains why the cases were re-opened, details the personnel involved and their investigations, and ultimately their findings. Grades 3-6. c2010.Despite it's characterization in the rest of the world as a land of bush and blizzards, Canada is a country…
of geographical and climatic variations. It experiences just about every type of extreme weather possible - tornadoes, droughts, dust storms, ice storms, hail storms, hurricanes, floods - in addition to lots of snowstorms. The weather is rarely boring and there are times when it has been so extreme, it has surprised everyone. Grades 4-7. 2005.By Valerie Wyatt. 1999
Danoid the alien comes to earth to report on the biology of humans, in particular of ten-year-old Pete. The scientific…
wonders of the human body are introduced with 15 hands-on activities, and a lot of humour. Discover along with Danoid that your dog has more bones than you do, your brain weighs as much as a small cabbage, and the largest muscle in the body is the one you sit on! Grades 2-4. 1999.By Isaac Asimov. 1986
By Shelley Tanaka, Philip J Currie, Mark Norell, Paul C Sereno. 1998
Describes paleontologists' discovery of dinosaur fossils at major sites in Mongolia, Canada, and Argentina. Presents information on the Oviraptor, Centrosaurus,…
and Herrerasaurus, among others. Discusses scientific evidence linking birds and carnivorous dinosaurs. Grades 4-7. 1998.By James Jespersen, Jane Fitz-Randolph. 1987
By Sylvia Branzei. 1995
Sometimes it's stinky, sometimes it's crusty, and sometimes it's slimy, but hey, it's your body! Find out about slimy, mushy,…
oozy stuff like saliva, crusty, scaly things like eye gunk, and stinky, smelly stuff like smelly feet. Includes fun facts and activities. Grades 4-7. 1995.By Michael Collins. 1976
By Christopher Sloan. 2000
Discusses the theory that birds are modern evolutionary descendants of dinosaurs, comparing their skeletons and bone structure. Describes the 1996…
discovery in China of theropod fossils showing feathers. Explains the functions of various feathers and possible evolution of arms to wings. For grades 4-7. 2000.By Seymour Simon. 1998
By Shelley Tanaka. 1996
In 1991, two hikers discovered the remains of a Stone Age Man over 5,000 years old in the Alps. Be…
transported back to the Iceman's ancient world - find out who he was, how he lived, and how he died on a mountain ridge. Grades 3-6. 1996.By Franklyn Mansfield Branley. 1984