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GRADE 6 SCIENCE · CHAPTER 1
Engineering & design
Study each lesson in order, or choose the idea you need today.
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Engineering design
Choose a material within design constraints
Use performance, mass and cost data to choose a material that meets a defined need.
AN EXAMPLE FROM THIS CHAPTER
Material A: tested load 14 N; mass 7 g; cost 5 tokens. Material B: tested load 16 N; mass 10 g; cost 4 tokens. Material C: tested load 10 N; mass 5 g; cost 3 tokens.
A model needs a material tested for at least 12 N while weighing no more than 8 g. Which listed material has the lowest cost among those meeting both limits?
Show answer & explanation
Material A
First remove materials failing either limit. Material A has the lowest stated cost among the remaining options.
Curriculum & source notes
These are original Little Play study books organized around U.S. school topics. The official curriculum references below guide topic scope and progression. Coverage is selected, not a complete curriculum or a verified match to every state standard. They are not copies of a publisher’s textbook. Check your school’s syllabus and book edition.
High-school courses can be taken in different years. Choose the topic that matches the student’s current course.
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