Question

write at least two complete sentences:
one sentence should explain something new you understand after this lesson.
one sentence should ask a question or describe something youre still curious about.
tip: try to connect your thinking to the lesson question: when and how did planet earth form?
enter your response here

Explanation:

For the new understanding sentence, we can explain a key concept about Earth's formation, like the accretion process. For the curious sentence, we can ask about a related aspect, such as the role of specific materials.

Answer:

After this lesson, I understand that Earth formed around 4.6 billion years ago through the accretion of cosmic dust and gas, with smaller particles clumping together to form larger bodies over time. I am still curious about how the different layers of the Earth (like the crust, mantle, and core) differentiated during its formation and what specific types of asteroids or celestial materials contributed most to Earth's composition.