Shared Flashcard Set

Details

Unit 3
Universe
12
Science
8th Grade
02/11/2016

Additional Science Flashcards

 


 

Cards

Term
Electromagnetic spectrum
Definition
The range of wavelength or frequencies over which electromagnetic radiation extends.
Term
Frequency
Definition
How long and how many times something happens.
Term
Wavelength
Definition
The space between the crest of a wave.
Term
Crest
Definition
The top of each wave or wavelength.
Term
Lightyears
Definition
How far away something is in space.
Term
Hertzburg- Russell diagram (HR diagram)
Definition
A diagram the shows the relationships of stars. How bright and how hot they are.
Term
Nebulae
Definition
A cloud of gas and dust that is where stars are born.
Term
Galaxy
Definition
Stars,gas, and dust held together by a gravitational pull.
Term
Our sun
Definition
In relation to other stars our sun is medium in size and temperature.
Term
Star light
Definition
Star give off their own light from nuclear fusion.
Term
Biggest to smallest
Definition
Universe, Galaxy, solar system, and planets.
Term
Space measurements
Definition
The unit of measurements used in space is light years because other measurements are to small.
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