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Description
Masterbooks God's Design Chemistry & Ecology Student BookDiscover the exciting subjects of chemistry and ecology through studies of atoms, molecules, matter, and ecosystems. Complete chemistry and ecology curriculum for 3rd 8th graders, which presents Gods amazing world through the study of atoms, molecules, matter, and ecosystems! Properties of Matter: Learn all about matterthe stuff that makes up the universe God created. Learn how to measure the properties of solids, liquids, and gases and the process of
Discover the exciting subjects of chemistry and ecology through studies of atoms, molecules, matter, and ecosystems. Complete chemistry and ecology curriculum for 3rd-8th graders, which presents God’s amazing world through the study of atoms, molecules, matter, and ecosystems!Properties of Matter: Learn all about matter—the stuff that makes up the universe God created. Learn how to measure the properties of solids, liquids, and gases and the process of classification. Have fun using the scientific method!
Properties of Ecosystems: Learn about the amazing world that God created as you study 16 different ecosystems and the plants and animals that live and interact in them. You will also learn how God originally created our world good, and why things changed.
Properties of Atoms & Molecules: Explore the tiniest part of God’s creation — atoms and molecules — and learn about their structures and the different ways that atoms bond. Learn about the basics of the periodic table, chemical reactions, and biochemistry.
Complete chemistry and ecology curriculum for 3rd-8th graders, which presents God's amazing world through the study of atoms, molecules, matter, and ecosystems! A Master Books curriculum.
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4.7 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Withstands very aggressive chewing
Color: Blue
We have a very active and aggressive chewer. Items identified for aggressive chewers are “Gone in 60 Seconds”. This toy is amazing. It has withstood Jake’s many attempts to destroy it and is one of his favorites! It is not hard like acrylic but is hard rubber with some give decreasing risk of fractured teeth. Best toy yet!!!
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Great chew toy
Color: Blue
I bought this almost a year go. My dog is still chewing on it! Nothing last this long with her. She is a 100lb Rottweiler that is a strong chewer.
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Reviewed in the United States on June 12, 2026
★★★★★ 4
Well loved
Color: Blue, Color: Blue
We just got this sweet girl from the shelter a few days ago. She's had this toy for 2 days and already chomped off one of the legs. She does have other toys so she doesn't play with this one all the time but she does like it a lot! It's very hard and durable on the ends. But as you can see, it's not indestructible. She carries this little guy around the house like they're BFFs. It's super adorable.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Happy hound!
Color: Yellow, Color: Yellow
My 2 yr old bloodhound destroys every toy in minutes, but not this one. My husband and I actually buy toys to see how long they last for fun. Although the croc is NOT indestructible, it lasts a whole lot longer than most. After an hr or so, I took away the only piece he's chewed off which is part of the back leg. Otherwise nothing else is missing off the croc. Our boy has been very occupied with this new toy and we're satisfied with his new distraction!
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Definitely a tough toy
Color: Blue
This is one of the few toys my
Boxer/american bulldog mix hasn’t been able to tear apart. He loves chewing on it and I love that he doesn’t chew on stuff he shouldn’t.
I have such an issue with toys being torn apart the day I bring them home. I wish there was a safe way for it to have a squeaker since he loves squeakers but I don’t think that is possible.
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Reviewed in the United States on May 18, 2026
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