DCA2 Part 1 Review

Front

What is a galaxy?

Back

A huge collection of stars, solar systems, planets, and nebulae.

Front

What causes global winds to blow in curved paths instead of straight lines?

Back

Coriolis Force.

Front

How is groundwater replenished?

Back

When rain and melted snow seeps into the ground.

Front

Why does the Moon have a greater influence on Earth tides than the Sun?

Back

Because it is closer to the Earth.

Front

What is a spring tide?

Back

A tide that occurs when the Sun, Earth, and Moon are aligned, resulting in higher high tides and lower low tides.

Front

Define the term 'universe'.

Back

The vast, all-encompassing space that contains all matter, energy, planets, stars, galaxies, and the contents of intergalactic space.

Front

What is the role of the Sun in the solar system?

Back

The Sun is the central star that provides light and heat, influencing the orbits of planets and other celestial bodies.

Front

What is the difference between a solar system and a galaxy?

Back

A solar system consists of a star and the celestial bodies that orbit it, while a galaxy is a massive system that contains billions of stars, solar systems, and other matter.

Front

What is the Coriolis effect?

Back

The apparent deflection of the path of an object moving in a rotating system, causing winds to curve rather than move in a straight line.

Front

What is a nebula?

Back

A giant cloud of dust and gas in space, often the birthplace of stars.