Earth and Space Science Concepts

The video provides a comprehensive review of the solar system, covering topics such as galaxies, stars, Earth's rotation and revolution, space objects like the sun, planets, asteroids, and comets, as well as the characteristics of inner and outer planets. It also explains the phases of the moon and their causes.

Which galaxy do we live in?

• Whirlpool Galaxy

• Andromeda Galaxy

• Triangulum Galaxy

• Milky Way Galaxy

What causes stars to appear to move across the sky?

• The stars are moving

• Earth's rotation

• The moon's orbit

• The sun's movement

What is the difference between rotation and revolution?

• Rotation is orbiting, revolution is spinning

• Both are the same

• Rotation is spinning, revolution is orbiting

• Neither involves movement

How long does it take for Earth to complete one rotation?

• 12 hours

• 27 days

• 24 hours

• 365 days

What is a comet primarily made of?

• Liquid water

• Rock, ice, and dust

• Gas and plasma

• Rock and metal

Which of the following is true about asteroids?

• They produce their own light

• They are made of gas

• They orbit the sun

• They are larger than planets

What separates the inner planets from the outer planets?

• The Milky Way

• The asteroid belt

• The moon

• The sun

Which planets are known as the gas giants?

• Inner planets

• Terrestrial planets

• Outer planets

• Dwarf planets

How long does it take for the moon to complete one revolution around Earth?

• 7 days

• 365 days

• 24 hours

• 29 days

What causes the different phases of the moon?

• The Earth's shadow

• The sun's rotation

• The moon's own light

• The moon's position relative to the sun and Earth