Topic 7: Solar System

How many planets are in our solar system?

• 6

• 7

• 8

• 9

Which planet is known as the "Red Planet"?

• Mars

• Jupiter

• Uranus

• Venus

What is the structure of the Sun made up of?

• Hydrogen and helium

• Oxygen and nitrogen

• Carbon and sulfur

• Iron and gold

What is the main source of energy for the Sun?

• Nuclear fission

• Solar Panel

• Nuclear fusion

• Hydroelectric power

What is the closest planet to the Sun?

• Mercury

• Earth

• Venus

• Mars

What is the temperature at the center of the Sun?

• 5 million degree celcius

• 10 million degree celcius

• 15 million degree celcius

• 20 million degree celcius

What is the corona of the Sun?

• The innermost layer of the Sun

• The outermost layer of the Sun

• The middle layer of the Sun

• The core of the Sun

What is solar wind?

• A stream of neutral particles that flows into the Sun

• A stream of charged particles that flows into the Sun

• A stream of neutral particles that flows out from the Sun

• A stream of charged particles that flows out from the Sun

What is a solar flare?

• An eruption of magnetic energy from the Sun's surface

• A sudden and intense burst of radiation from the Sun

• A phenomenon that causes a sudden increase in the brightness of stars

• A form of aurora that is seen near the poles of the Sun

What is a meteor?

• A large asteroid that can potentially collide with Earth

• An icy object that orbits the Sun and has a glowing tail

• An object that becomes visible in the Earth's atmosphere as it burns up upon entering

• A rocky object that orbits the Sun