Unit 5 Test

Front

What protects Earth from the electromagnetic radiation emitted by the Sun?

Back

Earth's magnetic field protects Earth from the electromagnetic radiation emitted by the Sun.

Front

What is a plasma, or stream of energetic, electrically charged particles that flows out from the sun at all times?

Back

Solar wind is a plasma, or stream of energetic, electrically charged particles that flows out from the sun at all times.

Front

What are meteoroids made of?

Back

Meteoroids are made of rock or metal.

Front

What color auroras are produced by oxygen higher in the atmosphere?

Back

Oxygen higher in the atmosphere produces red auroras.

Front

Where are most of the dwarf planets located in the solar system?

Back

Most of the dwarf planets are located in the Kuiper Belt.

Front

What is the term for a large explosion on the Sun's surface that releases energy and particles?

Back

A solar flare is a large explosion on the Sun's surface that releases energy and particles.

Front

What is the name of the region of space beyond Neptune that contains many small icy bodies?

Back

The Kuiper Belt is the region of space beyond Neptune that contains many small icy bodies.

Front

What phenomenon occurs when charged particles from the Sun interact with Earth's magnetic field?

Back

Auroras occur when charged particles from the Sun interact with Earth's magnetic field.

Front

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

Back

A meteoroid is a small rocky or metallic body in space, a meteor is the streak of light produced when a meteoroid enters Earth's atmosphere, and a meteorite is a meteoroid that survives its passage through the atmosphere and lands on Earth.

Front

What is the Oort Cloud?

Back

The Oort Cloud is a theoretical cloud of icy bodies that is believed to exist in the outermost reaches of the solar system.