Tell me why, tell me how

Author
Stewart, Melissa Murphy, Patricia J Mara, Wil Hicks, Terry Allan Bailer, Darice Rebman, Renee C
 
1)  How do fish breathe underwater?
2)  How do bats fly in the dark?
3)  How do birds fly?
4)  How do plants grow?
Author
Publisher
Marshall Cavendish Benchmark
Pub. Date
c2007
Language
English
Description
6)  Why do the seasons change?
7)  Why is the sky blue?
Author
Author
Publisher
Marshall Cavendish Benchmark
Pub. Date
c2009
Language
English
Description
9)  How do chameleons change color?
Author
Publisher
Marshall Cavendish Benchmark
Pub. Date
c2009
Language
English
Description
11)  Why do we see rainbows?
12)  Why does the moon change shape?
13)  Why do leaves change color?
14)  How do tadpoles become frogs?
15)  How do tornadoes form?
Author
Publisher
Marshall Cavendish Benchmark
Pub. Date
c2011
Language
English
Description
Author
Publisher
Marshall Cavendish Benchmark
Pub. Date
c2011
Language
English
Description
18)  Why does it thunder and lightning?