The Sun’s Layers
What is the center of the sun where nuclear fusion takes place?
core
What kind of energy does the sun mostly give off?
Electromagnetic waves
What are large, dark, flat plains on the moon called?
Maria
What causes day and night on Earth? (
Earth’s rotation
What is it called when the moon blocks the sun from Earth’s view?
Solar eclipse
What layer comes after the core and moves energy outward very slowly?
The radiative zone
What part of the spectrum can humans see with their eyes?
Visible light spectrum
What causes the moon’s craters?
Meteoroids or asteroid strikes
What causes the seasons on Earth?
Earth’s tilt and orbit around the sun
What eclipse occurs when Earth’s shadow falls on the moon?
Lunar eclipse
What layer moves energy using hot gases that rise and sink?
The convective zone
What type of electromagnetic wave causes sunburns?
UV
What are long, narrow valleys on the moon called?
Rilles
What motion causes the moon’s phases?
The moon’s orbit around Earth
What do we call the loop of plasma sometimes seen on the sun’s edge?
Prominence
What is the visible surface layer of the sun called?
Which type of electromagnetic wave is felt as heat?
IR
What is the line between the light and dark halves of the moon?
The terminator
What do we call the path the sun appears to travel along in the sky?
Ecliptic
What causes high and low tides on Earth?
Gravitational pull of the moon and sun
What layer of the sun’s atmosphere is only visible during a total solar eclipse
The corona
What tool do scientists use to identify elements in the sun’s light spectrum?
Spectroscope
What is the farthest point in the moon’s orbit from Earth called?
Apogee
What is the name of the predictable 11-year pattern of sunspot activity?
Sunspot cycle
What layer of Earth is also affected by tidal forces (not just water)?
Earth’s crust / Earth tides