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Cat's eyes

Cat's eyes

Assessment

Interactive Video

Science, Architecture

1st - 6th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The transcript describes how Percy was inspired by a cat's eyes reflecting light to invent a road safety device called cat's eyes. These devices use glass balls with a reflective substance to help drivers see the road at night. Percy also developed a self-cleaning mechanism using rainwater to keep the glass clean. Over 80 years later, cat's eyes are used worldwide, contributing significantly to road safety alongside other reflectors.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What inspired Percy to invent his own version of a cat's eye?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe how Percy's cat's eyes work to help drivers.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What mechanism did Percy invent to keep the glass of the cat's eyes clean?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

How do the cat's eyes get cleaned when a car passes over them?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

In what ways do cat's eyes contribute to road safety?

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