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Scientists unveil secret to strength in locust wings

Scientists unveil secret to strength in locust wings

Assessment

Interactive Video

Science, Physics

11th Grade - University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video explains how locusts primarily use their hind wings for flight. The durability of their wings is attributed to a grid-like structure formed by longitudinal and cross veins. Cross veins play a crucial role in inhibiting crack propagation, although increased tension can lead to crack development. Microscopically, longitudinal veins have elliptical cross sections, while cross veins exhibit an emulated pattern, enhancing wing durability by up to 50%.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What powers the flight of locusts?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the role of the grid-like cells in the locust's wings?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How do cross veins affect crack propagation in locust wings?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens when more tension is applied to a crack in the wings?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

How much does the strength of the cross veins boost the durability of the wings?

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