|
Dime cómo flotan los barcos?
|
Shirley Willis |
Uses simple experiments and activities, to explore concepts such as density, upthrust, and water displacement; and to explain why objects float or sink. |
OL16053541W |
|
Tell me why the moon changes shape
|
Shirley Willis |
Explains in simple words various aspects of the moon, such as its rotation, orbit, composition, age, temperature, and location, as well as lunar eclipses, the moon's pull on the ocean, lunar landings… |
OL21181997W |
|
Dime por qué es mojada la lluvia?
|
Shirley Willis |
Questions and answers explain water, the water cycle, and such aspects of weather as rain, clouds, ice, and snow. Includes experiments and activities. |
OL23707040W |
|
Tell me how much it weighs
|
Shirley Willis |
Introduces the concept of weight, discussing units of weight, methods of measuring weight, and the importance of weight measurement for a variety of uses. |
OL27751W |
|
Tell Me What The Time Is
|
Shirley Willis |
The Whiz Kids are a group of children - and a dog - who explain scientific subjects in a simple and friendly way. This book gives lots of simple facts about telling the time in a clear and concise wa… |
OL27752W |
|
Tell me why planes have wings
|
Shirley Willis |
Text and simple illustrations provide explanations of the principles of flight. |
OL27760W |