Test sulle conoscenze relative alla Terra nel Sistema Solare
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Domanda 1 di 5
Which planet is known as the Red Planet?
A. Venus
B. Mars
C. Mercury
D. Jupiter
Spiegazione
Mars is called the Red Planet because its surface is rich in iron oxide, giving it a reddish appearance.
Domanda 2 di 5
Which is the largest planet in the Solar System?
A. Earth
B. Saturn
C. Jupiter
D. Neptune
Spiegazione
Jupiter is the largest planet by both mass and volume, much bigger than the other planets.
Domanda 3 di 5
What is Earth's only natural satellite called?
A. Moon
B. Phobos
C. Deimos
D. Io
Spiegazione
The Moon is Earth's only natural satellite and it affects tides and stabilizes Earth's axial tilt.
Domanda 4 di 5
Approximately how long does Earth take to orbit the Sun once?
A. 24 hours
B. 30 days
C. 7 days
D. 365 days
Spiegazione
Earth completes one orbit around the Sun in about 365 days, which defines one year.
Domanda 5 di 5
Which layer of Earth is liquid and lies beneath the mantle?
A. Inner core
B. Crust
C. Outer core
D. Lithosphere
Spiegazione
The outer core is a liquid layer composed mainly of iron and nickel beneath the mantle; the inner core is solid.
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