A class trip to the beach becomes an underwater lesson about food chains when Arnold and Keesha are challenged to discover what a tuna fish sandwich and some smelly green pond scum have in common.
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Wanda turns the class into a habitat for her frog, but when he jumps out the window she has to rethink what a frog really needs. Explores the world of animal habitats.
It's Show and Tell Day at school and everyone brings something special.
The story of the most complete Tyrannosaurus rex ever found, which was discovered in South Dakota in 1990.
Text and illustrations introduce the big machines such as bulldozers, cranes, cement mixers, and combine harvesters which make man's life easier.
In brief text and pictures, presents a variety of trucks working in different settings, including farms, highways, airports, ski resorts, and more.
The Muppets amusingly demonstrate good etiquette--sometimes by doing the wrong thing.
Relf and the SUE Science Team of The Field Museum track the story of largest and most complete T. rex fossil ever found, beginning with its discovery in 1990 in South Dakota, and leading up to its scheduled unveiling at the Field Museum in Chicago in 2000.