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National Geographic Little Kids First Big Book of Why Hardcover – Picture Book, May 10, 2011
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About the Author
- ASIN : 1426307934
- Publisher : National Geographic Kids; 1st edition (May 10, 2011)
- Language : English
- Hardcover : 128 pages
- ISBN-10 : 9781426307935
- Reading age : 3 - 7 years
- Lexile measure : NC630L
- Grade level : Preschool - 2
- Item Weight : 1.72 pounds
- Dimensions : 10.15 x 0.65 x 10.1 inches
- Best Sellers Rank: #698 in Books (See Top 100 in Books)
- Customer Reviews:
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Another negative review said the information is shallow and gave this example: "Some question do not even have answers like this one, 'why some animals are big and some are smalls?' the answer 'life happens everywhere it can on this amazing planet. life comes in every size, shape and color' ? what kind of answer is that?" Well, I think is a very good answer for the audience the book is intended for. Why are some animals big and others small? Because there are all kinds of animals in the world, some big and some small. I think it's a perfectly valid answer. If your kid needs more information you can teach him about evolution for an hour if you want. You have to understand the purpose of this book is having a lot of questions and a lot of content. If they start going deeper into answers then that means less content. I rather have more questions with simple answers than a few questions with 3 pages of an answer.
Finally, another reviewer seems to be confusing this book for something else and tries to show the "inaccuracies" but only comes off as a trying to display his knowledge of things. We get it, you know how to use wikipedia, guess what? This is a book for "KIDS", if you want to show off how much you know why don't you review a PHD book on physics?
This is a great book with tons of content and my kid loves it. It's not perfect, but that's why you're there as a parent.
By Rock Chalk on October 3, 2018
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Wrong. And in fact this trips up most elementary science students and they got it wrong here. Helium balloons don't float because they are "lighter" they float because they are less dense. Less dense objects float on more dense objects. For instance, a tanker ship is made of metals that are on their own denser and heavier than water. But as a boat they float? Why? Because as an entire object it's less dense than water (hint: Ships are largely filled with ballast like air.
Similarly, planes fly IN AIR because the air under the wing is higher pressure (denser) than the air above the wing. Is air lighter than air?
On the same page they talk about how hot air is "lighter than cold air" which it isn't. Hot air is simply less dense than cold air.