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Le site web sera indisponible le 24 avril à 22h HAE pour 15 minutes en raison de travail d'entretien prévu.
Articles 1 à 20 sur 54
Par T. Scott Bryan. 2005
Geologist explains the hot water and vapor eruptions called geysers and their locations, characteristics, and behaviors. Discusses natural and human…
forces that change their activity. Includes a list of geyser fields by geographic area. For grades 6-9 and older readers. 2005Par Isabelle Groc. 2021
The author examines the lives of dogs who work with humans to find new ways to solve environmental problems. Includes…
stories of dog encounters in the field and examples of canines working to sniff out poisons and invasive species. For grades 4-7. 2021Par Melvin Berger. 2004
Discusses the Arctic and Antarctic regions of Earth and states interesting facts about creatures living there, including polar bears, reindeer,…
wolves, whales, seals, walruses, birds, and penguins. For grades 2-4. 2004Par Laurence Pringle. 2004
An overview of snakes' physical characteristics and behavior patterns. Explains how snakes see, smell, reproduce, and kill their prey and…
eat it. Discusses the movement of different varieties--on the ground, in trees, under water, and through the air. For grades 3-6. 2004Par Margery Facklam. 2003
Introduces thirteen remarkable lizards from the Komodo dragon and marine iguana to the glass snake and Gila monster. Presents facts…
and true stories about each. Also provides tips on how to tell the difference between lizards and similar reptiles. For grades 3-6. 2003Par John E Becker. 2002
Par John E Becker. 2003
Par John E Becker. 2002
Discusses the history of beaver trapping and the fur trade, the near extinction of the species, and reintroduction efforts leading…
to the beaver's comeback. Also describes the animal's habits and habitat. For grades 4-7. 2002Par John E Becker. 2003
Describes the physical characteristics, behavior, and history of the manatee, an endangered marine mammal that is found in the Americas…
and Africa. Discusses attempts to ensure the survival of this species in the natural world. For grades 4-7. 2003Par John E Becker. 2003
Discusses the history of this woolly, horned mammal, including its near extinction in the 1870s when federal troops slaughtered bison…
herds to help defeat Native American tribes that were dependent on them for survival. Also relates later governmental and other efforts to preserve the species. For grades 4-7. 2003Par Mark Maslin. 2002
Examines the causes, consequences, and future threat of global warming. Explains "the devastating effects it will have on human society,…
the natural environment, and the world economy, including drastic changes in health, agriculture, water resources, coastal regions, storminess, forests, and wildlife." For grades 6-9 and older readers. 2002Par April Pulley Sayre. 2000
Examines El Niño and La Niña phenomena and why they occur. Discusses how meteorologists track them, how they affect world-wide…
weather patterns, and what effects on global warming are possible. For grades 6-9. 2000Par Suzanne Winckler. 2002
Organic gardening at home: how to grow fruits and vegetables that are free of chemicals and pesticides. Discusses determining location…
and soil conditions, choosing the right seeds and plants, caring for plants, and harvesting food. Includes a few recipes and recommendations for further reading. For grades 6-9 and older readers. 2002Par Malcolm Penny. 1997
Basic introduction to the growth and development of plants. Describes how flowers, fruits, and parachutes help disperse seeds over great…
distances. Includes information on plants that are parasites, insect-eaters, or other unusual specimens. For grades 3-6Par Robert Burleigh. 1998
True-life adventure of Richard Byrd, who spent six months alone in the Antarctic in 1934. Includes excerpts from Byrd's diary…
recounting the incredible cold and discomfort he suffered. Describes how Byrd used a kite for rescue. For grades 4-7Par Roy Gallant. 1997
Describes the formation of sand and sand dunes, noting various types of dunes. Explains how their movement causes desertification and…
how some produce sounds. Also discusses various animals and plants that live in deserts. For grades 4-7Par Janet Myers. 1999
A collection of myths and truths designed to pique a young person's curiosity about unusual "stuff." Topics include the Bermuda…
Triangle, meat-eating plants, zombies, quicksand, Bigfoot, mermaids, and black holes in space. For grades 5-8. 1999Par Jim Arnosky. 1996
The noted naturalist and artist shares his observations of tracking wildlife in and around his Vermont farm over the course…
of one winter and spring. He scrutinizes animal tracks in the snow, attends the birth of lambs, notes the feeding habits of porcupines, and observes a fox stalking a vole. For grades 5-7Par Elaine Landau. 1992
Certain species of plants become endangered because of development such as shopping malls and highways, from overcollecting by plant suppliers,…
or from overgrazing by both livestock and wild animals. The author describes at-risk plants and tells what is being done to protect them. For grades 4-7Par Thomas Wiewandt. 1990
Description of how plants and animals have learned to live within the limits of the five seasons of the northern…
part of the Sonoran Desert in the American Southwest. Creosote, saguaro cactus, paloverde, and century plants provide food and shelter for rodents, insects, lizards, toads, coyotes, and bighorn sheep. For grades 4-7