Cycle 2 Flashcard

Front

All stars are white.

Back

False

Front

What are the three main factors that differentiate between asteroids, comets, and meteoroids?

Back

Composition, behavior, size.

Front

What is the main difference between natural and artificial satellites?

Back

Natural satellites are formed by natural processes, while artificial satellites are human-made objects launched into space.

Front

Why is Pluto no longer considered a planet?

Back

It does not dominate its own orbit.

Front

Describe the difference between the heliocentric and geocentric models? Which one do we use today?

Back

The heliocentric model places the Sun at the center of the universe, while the geocentric model places Earth at the center. We use the heliocentric model today.

Front

What is a natural satellite?

Back

A celestial body that orbits a planet, formed by natural processes.

Front

What is an artificial satellite?

Back

A human-made object that is intentionally placed into orbit around a celestial body.

Front

What is the primary characteristic that distinguishes a comet from an asteroid?

Back

Comets are composed mainly of ice and dust, while asteroids are primarily made of rock and metal.

Front

What does it mean for a celestial body to dominate its orbit?

Back

It means that the body is gravitationally dominant in its orbital zone, clearing out other debris.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Front

What is the significance of the heliocentric model in astronomy?

Back

It revolutionized our understanding of the solar system by placing the Sun at the center, leading to more accurate predictions of planetary movements.

Tags

NGSS.MS-ESS1-2