Good question!
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1)
Did it all start with a snowball fight?: and other questions about the American Revolution
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3)
Why did the whole world go to war?: and other questions about World War II
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4)
How does a caterpillar become a butterfly?: and other questions about... butterflies
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5)
How does a seed sprout?: and other questions about-- plants
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6)
How does the ear hear?: and other questions about... the five senses
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7)
How is my brain like a supercomputer?: and other questions about the human body
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9)
How strong is an ant?: and other questions about bugs and insects
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10)
What makes a tornado twist?: and other questions about weather
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11)
What was America's deadliest war?: and other questions about... the Civil War
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Author
Series
Publisher
Sterling Children's Books
Pub. Date
[2014]
Language
English
Appears on list
Description
This gripping book tells kids all about the perilous journey to escape slavery and finally become free: how long it could take, where the fugitives hid, who helped them, how "stationmasters" sent secret messages, and other fascinating details of the legendary Underground Railroad.
13)
Who were the American pioneers?: and other questions about . . . Westward expansion
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14)
Why did T. rex have short arms?: and other questions about--dinosaurs
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15)
Why does Earth spin?: and other questions about... our planet
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16)
Why is the sea salty?: and other questions about--oceans
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17)
What are the three branches of the government?: and other questions about the U.S. Constitution
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18)
Why couldn't Susan B. Anthony vote: and other questions about women's suffrage
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19)
How hot is lava?: and other questions about volcanoes
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20)
Where do garbage trucks go?: and other questions about ... trash and recycling
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