26 Questions
Which planet has the largest known volcano, Olympus Mons?
Mars
What is the primary gas that gives Uranus its blue color?
Methane
Which planet has the fastest wind speeds, reaching up to 2,000 km/hr?
Neptune
How many known moons does Saturn have?
18
What is the approximate time it takes for Neptune to complete one orbit around the Sun?
165 years
Which is the largest island country in the world?
Indonesia
What is the primary importance of the lithosphere?
All of the above.
What is the approximate percentage of the Earth's water that is found in the oceans?
97.2%
What is the primary purpose of the Earth's atmosphere?
All of the above.
What is the approximate temperature range of the exosphere, the outermost layer of the Earth's atmosphere?
-86.5°C to 1200°C
Which gas makes up the largest percentage of the Earth's atmosphere?
Nitrogen
What is the main effect of the Earth's rotation on its axis?
Resulting in day and night
Which phenomenon is responsible for the bulging at the equator and flatness at the poles on Earth?
Rotation on its axis
What is the primary characteristic of the Earth's revolution around the Sun?
Elliptical shape of orbit
How long does it take for the Earth to complete one rotation on its axis?
24 hours
Which phenomenon is responsible for the different lengths of day and night experienced on Earth?
Circle of illumination
What is the primary function of the atmosphere?
To keep the planet warm
Which of the following is a part of the biosphere?
All of the above
What is the primary function of the ozone layer?
To protect from harmful UV rays from the sun
What effect does heavy UV radiation have on plants and plankton?
It prevents their growth and survival
What is the primary reason that life can exist on Earth?
The presence of water on Earth
What is the relationship between the Earth and the Moon?
The Moon is a satellite that orbits the Earth.
What would happen if the Earth moved closer to the Sun?
The heat on Earth would increase, and it would take less time to orbit the Sun.
Why is it difficult to see other planets from Earth?
The brightness of the stars and the distance and size of the planets make them hard to see.
What is the primary force that keeps planets and satellites in orbit?
Gravitational force
What is the closest distance between the Earth and the Sun?
147.1 million km
Test your knowledge on the facts about different planets in our solar system including ice caps, largest volcanoes, moons, ring systems, and unique characteristics. Explore facts about Mars, Jupiter, Saturn, Uranus, and Neptune.
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