science chapter 7

what are aurora

• Auroras are caused by volcanic eruptions.
• Auroras are man-made light displays in the Earth's sky.
• Auroras are a type of cloud formation.
• Auroras are natural light displays in the Earth's sky.

how high up are auroras located

• 1,000 to 2,000 kilometers
• 50 to 155 mi

• 300 to 800 kilometers
• 10 to 50 kilometers

auroras in the northern lattitudes are called _____

auroras in the southern latitudes are called______

what are the particles in the magnetosphere called when they dont collide with the atmosphere

and rotate in a circle

what is a millibar

• A unit of temperature measurement
• A type of musical instrument
• A unit of pressure measurement
• A type of currency in Europe

an average hurricane can produce enough_____ to last the entire U.S 100 years

what is the transfer of energy through electromagnetic waves

if you were to put your hand over a warm stove burner what would happen

How and why

what is the ratio of solar radiation reflected by an object to the the radiation that strikes it