Test on The Solar System and the Planets

Question 1: A comet grows a long glowing tail when it comes close to the Sun.

A. Yes

B. No

Explanation: The study materials explain that 'When a comet comes close to the Sun, its ice melts and it grows a long glowing tail.'

Question 2: Is the asteroid belt located between the planets Mars and Jupiter?

A. Yes

B. No

Explanation: The asteroid belt is found between Mars and Jupiter.

Question 3: Based on the study materials, which of these is a unique characteristic of Earth among the planets?

A. It is the biggest planet.

B. It is the only planet with liquid water on its surface.

C. It is the hottest planet.

D. It is famous for its rings.

Explanation: The study materials state that Earth 'is the only planet with liquid water on its surface and air we can breathe.' Jupiter is described as the biggest planet. Venus is the hottest planet. Saturn is famous for its rings.

Question 4: According to the study materials, which of the following are methods used to explore space?

A. Watching space with telescopes on Earth and in orbit

B. Sending probes to the planets and rovers to Mars

C. Having astronauts live and work on the International Space Station

D. Landing people on the Sun to collect samples

Explanation: The study materials state under 'How we explore space' that 'We watch space with telescopes on Earth and in orbit. We send probes to the planets and rovers to Mars. The International Space Station circles the Earth, and astronauts live and work on board.' Landing people on the Sun is not mentioned as a method of exploration; the Sun is a star, and its extreme heat would make such a mission impossible, which is not mentioned in the text.

Question 5: The Sun is not a star.

A. Yes

B. No

Explanation: The Sun is a star.