Cycle 2 Flashcard

Front

What is the heliocentric model?

Back

The heliocentric model is an astronomical model that places the Sun at the center of the universe, with Earth and other planets orbiting around it.

Front

What is the geocentric model?

Back

The geocentric model is an astronomical model that places Earth at the center of the universe, with the Sun and other celestial bodies orbiting around it.

Front

Which model do we use today, heliocentric or geocentric?

Back

We use the heliocentric model today.

Front

Do stars make their own light?

Back

True, stars generate their own light through nuclear fusion.

Front

What is a meteoroid?

Back

A meteoroid is a small rock or particle from space.

Front

What is a meteor?

Back

A meteor is a streak of light produced when a meteoroid burns up upon entering Earth's atmosphere.

Front

What is a meteorite?

Back

A meteorite is a meteoroid that survives its passage through the atmosphere and lands on Earth's surface.

Front

Which planets have the most moons?

Back

Jupiter and Saturn have the most moons.

Front

Why do Jupiter and Saturn have so many moons?

Back

They are the largest planets in the solar system, which allows them to have stronger gravitational pulls.

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.