1st Semester Review - Earth Science

Front

What is the main reason for the seasons on Earth?

Back

The tilt of the Earth's axis causes different parts of the Earth to receive varying amounts of sunlight throughout the year, leading to the seasons.

Front

What is the Universe?

Back

The Universe is the vast expanse of space that includes all matter, energy, planets, stars, galaxies, and the contents of intergalactic space.

Front

Who proposed the Heliocentric Model of the solar system?

Back

Nicolaus Copernicus proposed the Heliocentric Model, which states that the Sun is at the center of the solar system.

Front

Which scientist supported Copernicus's Heliocentric Model?

Back

Galileo Galilei supported Copernicus's Heliocentric Model through his observations of celestial bodies.

Front

What happens during a lunar eclipse?

Back

During a lunar eclipse, the Earth comes between the Sun and the Moon, causing the Earth's shadow to fall on the Moon.

Front

What color does the Moon appear during a lunar eclipse?

Back

The Moon often appears red-orange during a lunar eclipse due to Rayleigh scattering of sunlight through the Earth's atmosphere.

Front

What is a waning gibbous moon?

Back

A waning gibbous moon is a phase of the Moon that occurs after a full moon, where more than half of the Moon's surface is illuminated but not fully.

Front

What is the difference between a waxing crescent and a waning crescent moon?

Back

A waxing crescent moon is the phase after a new moon when the illuminated part is increasing, while a waning crescent moon is the phase before a new moon when the illuminated part is decreasing.

Front

What is the Earth's axis?

Back

The Earth's axis is an imaginary line that runs from the North Pole to the South Pole, around which the Earth rotates.

Front

What is the Solar System?

Back

The Solar System is a collection of celestial bodies, including the Sun, planets, moons, asteroids, comets, and other objects that are bound by gravity.