Universe Unit Review

Front

Which EM waves have the longest wavelength?

Back

Radio waves have the longest wavelength in the electromagnetic spectrum.

Front

What is the name of our galaxy?

Back

The name of our galaxy is The Milky Way Galaxy.

Front

Choose the best description for a comet.

Back

A comet is an icy small body with a tail that orbits the sun.

Front

During which stage does a star spend the majority of its life?

Back

A star spends the majority of its life in the main sequence stage.

Front

What season is represented in the southern hemisphere during December?

Back

Summer is represented in the southern hemisphere during December.

Front

What is the closest planet to the Sun?

Back

Mercury is the closest planet to the Sun.

Front

What is a black hole?

Back

A black hole is a region in space where the gravitational pull is so strong that nothing, not even light, can escape from it.

Front

What is the Big Bang Theory?

Back

The Big Bang Theory is the leading explanation about how the universe began, stating that it started from a singular point and has been expanding ever since.

Front

What are the four terrestrial planets in our solar system?

Back

The four terrestrial planets are Mercury, Venus, Earth, and Mars.

Front

What is the difference between a meteoroid, meteor, and meteorite?

Back

A meteoroid is a small rock or particle from space; a meteor is the streak of light produced when a meteoroid enters the Earth's atmosphere; a meteorite is a meteoroid that survives its passage through the atmosphere and lands on Earth.