SKU: 17648084731

The Science of Defying Gravity

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Description

The Science of Defying GravityTHE SCIENCE OF DEFYING GRAVITY is a middle grade STEM based fiction. 10 yr old Cassie films her life. She loves movies and dreams of becoming a movie director in space. When her plans to go to Space Camp are derailed by the closing of the plant her dad works for she must win a science fair to earn a scholarship to attend. Spunk, a caring teacher, an engineering mentor and her friends keep her dream on track. Contained within THE SCIENCE OF DEFYING

THE SCIENCE OF DEFYING GRAVITY is a middle-grade STEM based fiction. 10 yr old Cassie films her life. She loves movies and dreams of becoming a movie director in space. When her plans to go to Space Camp are derailed by the closing of the plant her dad works for she must win a science fair to earn a scholarship to attend. Spunk, a caring teacher, an engineering mentor and her friends keep her dream on track.

Contained within THE SCIENCE OF DEFYING GRAVITY is an actual science fair project, including tables and charts for kids to see. The project covers the four forces of flight--lift, thrust, gravity and drag--which are embedded in the fictional story but are factually accurate and have been verified by working engineers and engineering students.



Binding Type: Paperback
Publisher: Keyes Canyon Press
Published: 09/08/2020
ISBN: 9780985007447
Pages: 218
Weight: 0.56lbs
Size: 7.99h x 5.24w x 0.50d
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SKU: 17648084731

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4.9 ★★★★★
Based on 22 reviews
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Verified Purchase
Tasha Gilbert
Belleville, US
★★★★★ 5
Great Interactive Toy
Color: Blue
This toy is amazing for keeping my dog entertained and active! The movement feature really grabs my dog’s attention, and he loves chasing and playing with it. It is strong and durable, and the design is very cute. It’s also great for preventing boredom, especially when my dog has extra energy. The battery lasts a good amount of time and it was very easy to set up. My dog plays with it every day and hasn’t gotten tired of it. I highly recommend this toy to anyone who wants a fun and interactive way to keep their dog happy and busy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
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Verified Purchase
Michelle S.
Belleville, US
★★★★★ 5
Worth every cent
Color: Blue
My dog has chewed through so many heavy chewers toys but he loves this ball and he has not tried to bite through it. Keeps him busy 15-20 minutes
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 9, 2026
B
Verified Purchase
BB
Charlottesville, US
★★★★★ 4
Pricey otherwise enjoyable
Color: Red
Ball is made of a durable type material kinda like a foam only not chewable, at least not yet Very entertaining and has a whining noise, it does bounce a little bit and moves somewhat when nudged by dog. Bouncy. Not a very high bounce so it keeps close to ground. The ball was fully charged when it arrived and has entertained her for about an hour now that she has settled down so it did what I hoped it would do, to keep herself busy to the point of being tired. At best I would not leave this lying around for heavy chewing use only for entertainment or play time.
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Reviewed in the United States on December 28, 2025
B
Verified Purchase
Bryan Flower
Los Angeles, US
★★★★★ 3
Mostly Good toy. Could be great.
Color: Blue
The ball looks well made and the dog absolutely loves it. He can't stop playing with it. It's awsome to see. The only problem, abd it's a big one, is that we can't open the ball to turn it off. The two halves are stuck together and don't budge. I'll wait until battery dies and try then.
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Reviewed in the United States on October 14, 2025
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Verified Purchase
Lisa
Louisville, US
★★★★★ 5
Entertaining
Color: Blue
This smart ball is a great toy for your dog. It’s the perfect size for most dogs and it’s made of durable material that chewing doesn’t hurt. It’s easy to charge and will run for hours. It’s very quiet and has 3 modes of play to choose from, rolling, bouncing or a combination of both to keep them (and you) entertained for hours.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 27, 2026

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