The largest insect on the planet is only 10 centimeters long, yet we know there were larger insects throughout history. The video explores what happened to these insects, why current insects aren't bigger, and the limits of what we know versus what we theorize. 

Concepts

insect anatomy, oxygen, exoskeletons

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Additional Tags

science

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Instructional Ideas

• Before the video, have students guess how big the largest insect currently on Earth is

Classroom Considerations

• Assumes prior knowledge of exoskeletons
• Remember YouTube comments are open to the public and may include interesting scientific discussions or inappropriate language, so use caution when showing

• This video is hosted on YouTube

Pros

• Includes an interview with an expert in the field
• Engaging video holds scholars' attention

Cons

• None