What phenomenon is responsible for the cycle of day and night on Earth?

• Earth's rotation

• Earth's revolution

• The Moon's gravitational pull

• The Sun's movement

How long does it take for Earth to complete one full rotation on its axis?

• 24 hours

• 12 hours

• 48 hours

• 365 days

What causes the Sun to appear to rise in the east and set in the west?

• Earth's rotation

• Earth's revolution

• The Sun's orbit

• The Moon's phases

What factor contributes to the slight variations in Earth's rotation speed?

• The gravitational pull of the Moon

• The distance from the Sun

• The tilt of Earth's axis

• The Earth's magnetic field

What would happen if Earth did not rotate?

• One side would be in constant daylight, the other in perpetual darkness

• There would be no seasons

• The planet would stop moving

• The Moon would not orbit Earth

Why is understanding Earth's rotation important for scientists?

• It helps them learn about the history and future of our planet

• It allows them to predict solar eclipses

• It helps in finding new planets

• It aids in understanding the Sun's lifecycle

What natural phenomenon is influenced by Earth's rotation?

• The patterns of our weather

• The formation of mountains

• The creation of oceans

• The orbit of the Moon