Tell me why, tell me how

Author
Stewart, Melissa Murphy, Patricia J Mara, Wil Hicks, Terry Allan Bailer, Darice Rebman, Renee C
 
Author
Publisher
Marshall Cavendish Benchmark
Pub. Date
c2007
Accelerated Reader
IL: LG - BL: 4.4 - AR Pts: 1
Language
English
Description
2)  How do bats fly in the dark?
3)  How do birds fly?
Author
Publisher
Marshall Cavendish Benchmark
Pub. Date
c2007
Accelerated Reader
IL: LG - BL: 4.1 - AR Pts: 1
Language
English
Description
Author
Publisher
Marshall Cavendish Benchmark
Pub. Date
c2007
Accelerated Reader
IL: LG - BL: 4.6 - AR Pts: 1
Language
English
Description
Author
Publisher
Marshall Cavendish Benchmark
Pub. Date
c2007
Accelerated Reader
IL: LG - BL: 3.9 - AR Pts: 1
Language
English
Description
Author
Publisher
Marshall Cavendish Benchmark
Pub. Date
c2007
Accelerated Reader
IL: LG - BL: 4.4 - AR Pts: 1
Language
English
Description
Author
Publisher
Marshall Cavendish Benchmark
Pub. Date
c2009
Language
English
Description
Author
Publisher
Marshall Cavendish Benchmark
Pub. Date
c2009
Language
English
Description
10)  How do spiders make webs?
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?
16)  How do waves form?
Author
17)  Why do earthquakes happen?
Author
18)  Why does it thunder and lightning?