Question

1. what is the size of the human population?
2. what is astronomy?
3. what is the big bang theory (not the tv show)? how old is the universe?
4. how old is our solar system?
5. what is rotation (relating to the earth)? what is revolution (relating to the earth)? what is the difference between the two?
6. which earth science topic are you most excited to learn about?
7. which earth science topic do you already know the most about?

Explanation:

1. The size of the human population is constantly changing. As of 2024, it is over 8 billion people.
2. Astronomy is the scientific study of celestial objects, space, and the universe as a whole.
3. The Big - Bang theory is the leading scientific explanation for the origin of the universe. Current estimates suggest the universe is about 13.8 billion years old.
4. Our solar system is approximately 4.6 billion years old.
5. Rotation (relating to the Earth) is the spinning of the Earth on its axis, which takes about 24 hours and causes day - night cycles. Revolution is the Earth's orbit around the Sun, which takes about 365.25 days and causes the seasons.

23 - 24. These are subjective questions. Answers would vary from person to person based on their interests and prior knowledge.

Answer:

1. Over 8 billion (as of 2024).
2. The scientific study of celestial objects, space, and the universe.
3. The leading scientific explanation for the origin of the universe; about 13.8 billion years old.
4. Approximately 4.6 billion years old.
5. Rotation is the Earth spinning on its axis (causes day - night); revolution is the Earth orbiting the Sun (causes seasons).
6. Varies by person.
7. Varies by person.