Test 7 Flashcards
The atmosphere of the sun is called the what?
chromosphere
The sun is ____ miles from the earth.
93,000,000
The surface layer of the sun which is visible only during a total eclipse is called the what?
corona
The innermost section of the sun is called the what?
core
Darker areas on the outer surface of the sun are called what?
sun spots
If the moon is on the same level as the sun, it blocks out the sun’s light and what?
a solar eclipse occurs
The vapor blanket surrounding the sun which is visible only during a total eclipse
corona
When the moon travels through the earth’s shadow, what occurs?
a lunar eclipse occurs
The light of the moon comes from what?
the sun
When the moon is gibbous, it is doing what?
bulging
Be able to match the phases of the moon with pictures
New Moon, Third Quarter, Crescent, First Quarter, Gibbous, Full Moon
Be able to identify the following constellations. Look at the pictures in your book to study.
Herdsman, Scorpion, Orion, Big Dog, Great Bear, Southern Cross
the largest planet in the solar system
Jupiter
the planet discovered by Sir William Herschel
Uranus
the only planet suitable for life
Earth
the closest planet to the sun
Mercury
the planet surrounded by seven bands of rings and at least sixty moons
Saturn
the planet with the Great Red Spot
Jupiter
the brightest planet in the sky
Venus
the planet that is tipped over on its side
Uranus
Earth’s “twin planet”
Venus
the “red planet”
Mars
the planet that appears royal blue and has a moon named Triton
Neptune
Seventy-eight percent of the air is the gas….
nitrogen
At sea level, air pressure is about ___ pounds per square inch.
15
The layer of atmosphere closest to the earth is the ___.
troposphere
The layer of atmosphere where all weather occurs is the ____.
troposphere
The layer in the stratosphere that helps protect the earth from ultraviolet rays is the _________.
ozone layer
The layer of the atmosphere that helps protect the earth from being bombarded with meteoroids is the _____.
mesosphere
The topmost layer of the atmosphere is the ____.
ionosphere
The air in the two upper layers of the atmosphere is said to be _____ because there are very few air molecules.
rarefied
The entire earth is surrounded by an ____ field that protects the earth from harmful space particles.
magnetic
A phenomenon called _____ occurs in the lower regions of the thermosphere.
airglow
A light display seen near the poles caused by the collisions of particles from the solar wind with molecules of air is called an _____.
aurora
The aurora borealis is seen in the _____ Hemisphere.
Northern
