Unit 12 Study Quiz

What is a star?

• Bright light in the sky

• A planet that orbits a galaxy

• A celestial body made of gases that give off heat and light

• Big ball of fire

What is a sunspot?

• A dark spot on the Sun's surface

• A patch on the Sun that is made of dark rock

• A planet that is on the surface of the Sun

• A star that looks similar to the Sun

Answer explanation

A sunspot is a spot or patch appearing from time to time on the Sun's surface that looks dark by contrast with its surroundings. They are cooler than the rest of the Sun.

What is an Aurora?

• The light around an object if you look closely

• White dots in the sky

• A natural, electrical phenomenon that appears as streamers of red/green light in the sky

• Reflection of the sun, causing a rainbow color on some objects

Answer explanation

Aurora is a natural electrical phenomenon characterized by the appearance of streamers of reddish or greenish light in the sky.

What is a flare?

• A sudden brief burst of flame or light

• A bright, colorful decoration

• A type of clothing

• When a planet gets closer to the Earth

What are the layers of the Sun in order?

• Photosphere, Core, Chromosphere, Radiation Zone, Convection Zone

• Core, Chromosphere, Convection Zone, Photosphere, Radiation Zone

• Convection Zone, Photosphere, Radiation Zone, Chromosphere, Core

• Chromosphere, Photosphere, Convection Zone, Radiation Zone, Core

How does energy (heat) travel from the Sun's core?

• Erosion

• Convection

• Radiation

• Conduction

Answer explanation

Convection is the transfer of heat by the movement of heated parts of liquids and gases.

What is solar prominence?

• A large plasma and magnetic field structure extending outward from the Sun's surface

• A field of magnets around light sources

• A type of solar flare

• A feature of the Earth's atmosphere