TED-Ed: What really killed the dinosaurs? (It wasn’t just the asteroid) | Sean P. S. Gulick

The video explores the catastrophic asteroid impact that led to the extinction of dinosaurs. It describes the pre-impact Earth, the immediate effects of the asteroid, and the subsequent climate changes that caused mass extinction. The video also discusses the survival of certain species and the potential for future asteroid impacts, highlighting the importance of addressing current climate change issues.

What was the approximate speed of the asteroid as it approached Earth?

• 20 kilometers per second

• 10 kilometers per second

• 30 kilometers per second

• 40 kilometers per second

What was the estimated energy release of the asteroid impact compared to?

• A solar flare

• A hurricane

• A nuclear bomb

• A volcanic eruption

What was one of the immediate effects of the asteroid impact?

• Emergence of new species

• Creation of a 100-kilometer wide crater

• Increase in Earth's temperature

• Formation of a new ocean

What percentage of life on Earth is estimated to have gone extinct after the asteroid impact?

• 50%

• 60%

• 75%

• 90%

Which group of dinosaurs is believed to have survived the mass extinction?

• Large carnivorous dinosaurs

• Marine reptiles

• Flying pterosaurs

• Small birds

What is the current estimated chance of a similar asteroid impact occurring in the next 1000 years?

• Seven in a million

• One in a million

• Twenty in a million

• Ten in a million

What is the main cause of the current rapid climate change mentioned in the video?

• Human emissions

• Volcanic eruptions

• Solar flares

• Asteroid impacts