Shared Flashcard Set

Details

science
solar system and stars
25
Science
8th Grade
02/10/2014

Additional Science Flashcards

 


 

Cards

Term
The apparent movement of a star when seen from a different position is called
Definition
Parallax
Term
A parallax is used to determine a stars...
Definition
Distance from the Earth
Term
150,000,000,000 in scientific notation
Definition
1.5x10 to the 11th power
Term
If we look at a distant star abd we see it wobbliing in a back and fourth motion what does that tell  us?
Definition
there is probably a planet present gravatational pull
Term
The milky Way Galaxy is an example of what type of galaxy?
Definition
Spiral Galaxy
Term
What is the major difference between eliptical and spiral galaxies?
Definition
Eliptical Galaxies have no dust or gas between the stars
Term
The strenth of the force of gravity depends on two things what arre they ?
Definition
Distance bewteen the two objects
The mass of each object
Term
Which two factors did newton conclude combined , keep the Earth In Orbit?
Definition
Inertia- an object at rest stays at rest or an object in motion stays in motion and 
Gravity. 
Term
Gravity helps form stars,planets, and the solar system by the gradual smaller pieces and etc.. what process?
Definition
Accreation
Term
Characteristics used to study stars are..?
Definition

1.Size
2.Brightness
3.Temperture

 


 


 


 

Term
Absolute brightness depends on two things ... what are they?
Definition

Size
AND

Temperture 

Term

radio waves       micro waves     infarred     uv    xrays   gamma rays  

 reygbiv

 

Definition
Visible light spectrum
Term
A new star was born when...?
Definition
Nuclear Fusion
Term
The one variable that determines wheather a star becomes a star is ...
Definition
Mass
Term
The lifetime of how  long a star will last is..
Definition
Mass
Term
A supernova is an explosion of what type of star..?
Definition
High Mass
Term
Which part of the sun does nuclear fusion occur..?
Definition
THE CORE
Term
TRUE OR FALSE?
light is a form of electromagnetic radiation..?
Definition
false
Term
TRUE OR FALSE
Regarding  visible light violet has the longest wavelength red is the shortest
Definition
False red is the longest
Term
The apparent regular movements of constellations accross the sky is caused by..
Definition
Rotation and Revoloution
Term
TRUE OR FALSE
The lower the stars magnitude number, the brighter the star
Definition
False
Term
These Objects in the very luminious stars 12 billion light years away
Definition
Quassars
Term
Who was the first person that discovered gravity
Definition
Gallelaio
Term
What prevents the moon from Falling?
Definition
Inertia
Supporting users have an ad free experience!