A boy with a thought bubble over his head. There is a dog wearing a spiky vest inside the bubble.
ISTOCKPHOTO/GETTY IMAGES (CHILD); COYOTEVEST (VEST)
Engineering,

Pointy Pup

Can you explain what's happening in this strange photo?

By Elizabeth Carney
From the September 2023 Issue
Other Focus Areas: Algebraic Thinking
Standards
  • NGSS
    Core Idea: ETS1.2
  • CCSS
    ELA: Reading: RI.1; Writing: W.3
  • TEKS
    Science: 3.1A, 4.1A, 5.1A, 6.2A; ELA: 3.6F, 4.6F, 5.6F, 6.6C

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This dog’s spiky vest serves a purpose! Read the possible explanations below. Then pick the one you think is correct. Give three reasons to support your answer.

A.  The vest is a Halloween costume for dogs.

B. The vest protects the dog from predators such as coyotes.

C. The vest’s spikes and bristles make a back scratcher for larger animals.

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