Question 1: Which planet is known as the Red Planet?

Answer: Mars

Question 2: True or False: The Earth is the third planet from the Sun.

Answer: True

Question 3: Define the term 'asteroid belt'.

Answer: A region of space between Mars and Jupiter where most asteroids are found.

Question 4: Match the following terms to their definitions:

Answer: See full answer key

Question 5: List the planets in order from the Sun.

Answer: See full answer key

Question 6: Fill in the blank: The largest planet in our Solar System is ________.

Answer: Jupiter

Question 7: Explain why the Moon does not have an atmosphere like the Earth.

Answer: The Moon's gravity is too weak to retain a significant atmosphere.

Question 8: Calculate the gravitational force between the Earth and the Moon using the formula F = G * (m1 * m2) / r^2. Assume G = 6.674×10^-11 N(m/kg)^2, m1 = 5.972×10^24 kg (Earth), m2 = 7.348×10^22 kg (Moon), and r = 384,400,000 m.

Answer: 1.98×10^20 N

Question 9: True or False: Venus is hotter than Mercury.

Answer: True

Question 10: What is the primary composition of the Sun?

Answer: Hydrogen and helium.

Question 11: Discuss the role of gravity in the formation and maintenance of the Solar System.

Answer: Gravity played a crucial role in the formation of the Solar System by causing the collapse of a molecular cloud, leading to the formation of the Sun and planets. It continues to maintain the orbits of planets around the Sun and governs the interactions within the Solar System.