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Science Test

TermDefinition
The force that pulls objects with mass toward each other gravity
The regular path an object follows around another object orbit
Earth spinning on its axis; 24 hours rotation
Earth moving around the Sun; 365 days revolution
produces its own light star
reflects light and orbits a star planet
shows correct size and distance relationships scale model
the region where liquid water may exist habitable zone
the moon orbits this earth
Earth revolves around this the sun
Statements that describe an accurate model of the Sun–Earth–Moon system. ☐ Objects are spherical (round) ☐ The Moon orbits Earth ☐ Earth revolves around the Sun
Why does the Sun appear bigger than other stars? The Sun appears bigger than other stars because it is closer to Earth.
Why can a very large star appear small? A very large star can appear small if its distance is great.
How do stars that are farther away appear in the sky? Stars that are farther away appear smaller.
Characteristic to describe a STAR • Made mostly of gas • Produces its own light • Located at the center of our solar system
Characteristic to describe a PLANET • Orbits a star • Can have moons • Reflects light
What are the inner planets? • Mercury • Venus • Earth • Mars
What are the outer planets? • Jupiter • Saturn • Uranus • Neptune
Characteristics of PAST space technology • Used simple telescopes • Limited images of space • Could only observe from Earth
Characteristics of PRESENT space technology • Uses space probes and satellites • Collects detailed digital images • Can send equipment into space
Created by: user-1704838
 

 



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