Semester 1 Review

Front

What are terrestrial planets?

Back

Terrestrial planets are rocky planets that have a solid surface. In our solar system, the terrestrial planets are Mercury, Venus, Earth, and Mars.

Front

What is the only star in our solar system?

Back

The Sun is the only star in our solar system.

Front

What galaxy do we live in?

Back

We live in the Milky Way galaxy.

Front

What does redshift indicate about the universe?

Back

Redshift indicates that space is expanding.

Front

What is the primary function of a lens in a telescope?

Back

A lens refracts and bends light to focus images.

Front

What is the primary function of a mirror in a telescope?

Back

A mirror reflects light to focus images.

Front

Name the four terrestrial planets in our solar system.

Back

Mercury, Venus, Earth, Mars.

Front

What is the difference between a lens and a mirror?

Back

A lens refracts light, while a mirror reflects light.

Front

What is the significance of the Milky Way galaxy?

Back

The Milky Way is the galaxy that contains our solar system and billions of other stars.

Front

What does the term 'redshift' refer to in astronomy?

Back

Redshift refers to the phenomenon where light from an object is shifted to longer wavelengths, indicating that the object is moving away from the observer.