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10 Cards in this Set
- Front
- Back
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Density
What is the density of the Earth? |
The amount of matter per unit volume in a material.
"Density is measured in grams per cubic centimeter." |
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Condensation
Clouds are condensation. |
The growth of a particle by addition of material from the surrounding gas, one atom or molecule at a time.
"There's a lot of condensation forming on the inside of my pop bottle." |
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Energy
I have a lot of energy. |
The capacity of a natural system to perform work.
"The sun gives off rays of energy." |
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Corona
Corona means crown in Spanish. |
The faint outer atmosphere of the sun; composed of low-density, very hot, ionized gas.
"When there is a solar eclipse, you can see the corona of the sun." |
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Flare
Solar flare. |
A violent eruption on the sun's surface.
"Sometimes you can see a flare from the sun with a special telescope." |
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Proton
Protons, neutrons, electrons. |
A positively charged atomic particle contained in the nucleus of an atom.
"A hydrogen atom has a single proton." |
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Meteoroid
Meteoroid, not meteorite. |
A meteor in space before it enters Earth's atmosphere.
"I swear I say a meteoroid in my telescope." |
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Isotopes
Isotopes are atoms too. |
Atoms that have the same number of protons but a different number or neutrons.
"There are only certain isotopes that we use in study." |
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Light-year
A light-year must be a long time. |
The distance light travels in one year.
"A light-year is really a measure of distance, not time." |
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Nebula
There is a nebula in Orion's belt. |
A cloud of gas and dust in space.
"I love viewing nebulas through my telescope, the ones that are visible anyway." |
