Dino Doom to Cosmic Bloom

Who proposed the idea that a layer of iridium-rich clay was formed due to a massive asteroid collision with Earth?

• Isaac Newton

• Marie Curie

• Luis Walter Alvarez

• Albert Einstein

What is the most widely accepted theory for the mass extinction at the end of the Mesozoic Era?

• Earthquake

• Asteroid collision

• Climate change

• Volcanic eruption

Where did the asteroid hit that caused the mass extinction?

• Sahara Desert

• Yucatán Peninsula

• Amazon Rainforest

• Himalayas

What is the estimated size of the asteroid that collided with Earth?

• 15-20 kilometers

• 20-25 kilometers

• 10-15 kilometers

• 5-10 kilometers

What is the name of the Dinosaur's era?

• Jurassic era
• Cretaceous era
• Mesozoic era
• Ice age era

When did humans begin to evolve?

• Approximately 1 million years ago
• Approximately 100 years ago
• Approximately 10,000 years ago
• Approximately 2 million years ago

Which group of organisms suffered the most during the mass extinction event caused by the asteroid impact?

• Amphibians

• Dinosaurs

• Reptiles

• Mammals

Which spacecraft conducted a mission to rendezvous with a comet, collect samples, and return them to Earth for analysis?

• Apollo 11
• Hayabusa2
• Rosetta

• Hubble Space Telescope

Dinosaurs reign lasted for how many years?

• 100 million years
• 200 million years
• 50 million years
• 180 million years

What is the name of the second-largest crater on the planet caused by the asteroid impact?

• Barringer Crater

• Vredefort Crater

• Chicxulub Crater

• Tunguska Crater