Young readers will find that the pond is full of animal and plant life, including water skaters (the ends of its long legs are covered in a kind of oil, so it can float on the surface without getting wet or sinking) and frogs (its skin allows air to come through its pores, this is how it breathes).
Describes human observation and exploration of outer space, and discusses such extraterrestrial phenomena as the sun, moon, planets, asteroids, comets, and galaxies.
Library Binding
(Silver Burdett Pr, March 1, 1995)
Describes how scientists discovered the dinosaurs, discusses what has been learned about dinosaurs and their behavior, and considers the evidence for causes of their extinction