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Why Do
Balls Bounce?
By Rob Moore
Review by Mark
This book is about gravity.
Gravity is an invisible force.
Gravity keeps us from floating away.
Skydivers don’t fly away because of air resistance. Gravity holds the moon in its orbit. When you hit a fly ball it is a
parabola. A ball bounces because it
dents. I recommend this book to people
who like sports.
I always wounder how it would feel not to have gravity. I bet it would be cool not to have gravity. - Anjil
ReplyDeleteI think this book might be interesting because it has words that I don't know the definition of!! --Shayna
ReplyDeleteI don't really like sports, but I do find the subject of gravity interesting. I appreciate the way you gave specific examples to explain how gravity works. Great review.
ReplyDelete-Kitana
Mark, what is a parabola? Was there a glossary in the book to let you know? You did a great job connecting this book to those who like sports, not everyone realizes that sports and science are connected! Well done! :0), Mrs. Haas
ReplyDeleteI think its cool that gravity holds the moon in its orbit.~Ethan
ReplyDeleteI did not know that bounce balls could get a dent.-jose
ReplyDeleteMark I enjoyed all this information but what is parabola ?- Cesar
ReplyDelete