5 Science Chapter 7

30 terms by Mrs_CC 

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photosphere

sphere of light; the surface layer of the sun; the layer visible to the observer on Earth

chromosphere

the sun's atmosphere that has a colorful layer of gases that surrounds the sun's photosphere; visible only through a monochromator

corona

a vapor blanket that surrounds the chromospheres and extends to about 249,000miles from the surface of the sun; visible only during a total solar eclipse

solar eclipse

the blocking out of the sun's light that occurs when the moon comes between the sun and the earth

lunar eclipse

the obscuring of the moon that occurs when the earth comes between it and the sun; the moon is temporarily darkened as it passes through the earth's shadow

air pressure

the pressure of atmospheric or compressed air; the total weight of air on some particular place on earth

atmosphere

the layer of gases surrounding a planet or moon;

ozone

a form of oxygen with three atoms of oxygen in its molecule instead of the two atoms found in in molecules of normal oxygen gas

airglow

a light visible on the horizon on especially dark and clear nights; cast by ions created when solar rays strip electrons from electrons from atoms of gases in the upper atmosphere

meteoroids

small solid pieces of rocky debris traveling through space; many meteoroids are fragments broken off asteroids

ion

an atom that is either positively charged because it has lost some or all of it electrons, or negatively charged because it has picked up one or more extra electrons

solar wind

a steady stream of subatomic particles speeding outward from the sun and through space at a million miles per hour

aurora borealis

the northern lights

aurora australis

the southern lights

only time the corona is visible

during a solar eclipse

93,000,000 miles

How far away is the sun?

21% of the air is made of this element

oxygen

troposphere

Layer of Earths's atmosphere where weather occurs

Where do sunspots occur?

on the photosphere

crescent

the first phase after a new moon

mesosphere

meteoroids burn up in this layer

Uranus

the first planet discovered in modern times. It was discovered by Sir Wm Herschel

Jupiter

largest planet with the big red spot

Venus

Earth's twin and brightest planet in the sky

Saturn

planet with 7 rings and over 60 moons

Neptune

royal blue planet where the wind blows hardest

Earth

only planet suitable for life.

Uranus

planet that is rotates on it's side with 27 moons

Mercury

planet closest to the sun

Mars

the red planet.

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