Search

Search results

Displaying 71 - 80

Back to School Center

Calculate Distance Latitude and Longitude Roman Numeral Challenge Spelling Challenge Conversion Calculator Word Quiz: preparatory…

Devonian period

(Encyclopedia) Devonian periodDevonian perioddĭvōˈnēən [key], fourth period of the Paleozoic era of geologic time between 408 and 360 million years ago (see Geologic Timescale, tablegeologic…

Dangerous Animals

Fascinating but Deadly Hippopotamuses, crocodiles, and hyenas by David Johnson PROFILES OF DANGEROUS ANIMALS Animals Elephants, big cats, and Cape…

DK Science: Feeding

PREDATOR AND PREYANGLER FISHOMNIVORESHONEYPOT ANTDIGESTIONFIND OUT MOREUnlike plants, animals cannot make food from sunlight. Animals have to feed to produce the energy they need to grow, move…

DK Science: Evolution

SPECIALIZED FOR SURVIVALDUNKLEOSTEUSEVOLUTION OF THE ELEPHANTNATURAL SELECTIONADAPTATIONFIND OUT MOREThe process by which changes occur in living things over time is known as evolution. The…

Museums on Display

People have been collecting precious objects since at least the 3rd century B.C. That's when the Museum of Alexandria was open for business. Through the ages, members of royalty, universities and…

Animal Hall of Fame

Biggest Land mammal: African elephants weigh up to 14,000 pounds and can eat as much as 600 pounds of food a day! Their trunks contain as many as 100,000 different muscles. Marine…

Homework Center: Life Sciences

Subjects » Geography » History » Language Arts » Mathematics » Science » Social Studies Homework Skills Writing | Research Speaking & Listening Studying Reference Sources…

Homework Center: Life Sciences

Subjects » Geography » History » Language Arts » Mathematics » Science » Social Studies Homework Skills Writing | Research Speaking & Listening Studying Reference Sources…