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25 Cards in this Set
- Front
- Back
- 3rd side (hint)
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75 grams = ? milligrams
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75,000 milligrams
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milli=1/1,000
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486,000 milliliters=? kiloliters
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.486 kiloliters
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kilo=1,000
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definition of matter
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anything that has mass and takes up space (has volume)
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no hint
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properties of matter
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physical and chemical
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no hint
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physical properties include:
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mass, volume, density, specific gravity, state, phase, color, smell, texture, taste, shape
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no hint
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mass
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amount of matter in an object
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mass does matter
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density
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the mass of the object compared to the volume of the object. (How well packed the object is)
density=mass/volume |
comparison
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volume
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amount of space an object takes up.
L x W x H |
no hint
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mechanical and chemical brakdown of food begins in the....
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mouth
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chewing
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what is the coefficient?
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the larger number that is the number of molecules in the equation (this can be changed)
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no hint
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what is the subscript?
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the number on the botttom that tells you the number of atoms and can't be changed.
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no hint
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what does "H" represent?
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hydrogen
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no hint
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what measures time?
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clock, in seconds
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tick tock
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what measures mass?
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triple bean balance, measured in kilograms
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no hint
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what measures volume?
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meniscus, measured in milliliters or centimeters cubed
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no hint
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boiling point of water in degrees celcius?
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100 degrees
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simple
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how many times does the earth rotate in a month?
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about 30 times
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days..........
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band of colors formed when white light asses through a prism is called a?
a. lens b. photograph c. spectrum d. ray |
c. spectrum
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no hint
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a could of as and dust is called a?
a. quasar b. pulsar c. hollywood d. galaxy |
a. quasar
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no hint
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How long does it take light from a quasar 6 billion light-years away to reach earth?
a. 6 minutes b. 6 years c. 6 million years d. 6 billion years |
6. 6 billion years
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billion light years is very far away
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epidemic
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disease that effects a large number of people or animals
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epi=big
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pandemic
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outbreak of a disease over a large geographic area and occurring over a long period of time
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bigger then epi
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what was the first pandemic?
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origionated in East Africa and was carried down the nile into EGYPT, called Justinian's plague. Spread also to CONSTANTINOPLE
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JP
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Astronomy
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the study of everything that lies beyond the earth's atmosphere.
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no hint
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why do plagues occur?
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they occur when a disease is introduced to a part of the world that is not yet immune to the certain diesase
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no hint
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