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science mid term
vocabulary
24 cards·by gstubbs
the envelope of gasses that surronds the earth and other planets
atomosphere
someone concerned with the development of aircraft and spacecraft
aerospace engineer
this is the drag or a force acting opposite to the motion of the object
air resistance
this is a limitation or restriction
load
this is the weight the parachute carries
constraint
a variable is
likely to change
this connects the canopy to the load
suspension lines
question
answer
the engineering and the design process consists of four steps which are
ask,imagine ,plan,improve
earth takes about 365 days to -------- around the sun
revolve
when the earth spins on its-------it-------- around the sun
axis,rotates
it takes the earth ------- or -------- to complete a full rotation
1 day,24 hours
the tilt of the earth and the revolution of the earth around the sun causes changes in ---------
seasons
about --------- of earth's surface is covered in land
one-fourth
most of earth's water is
salty
the ---------- path on which the earth revolve on is called -----------
imaginary,orbit
this is a rocky mass up to several km wide that rotates around the sun
astroid
this is the force of attraction that exists between two objects
gravity
a frozen mass of ice orbiting the sun is called a -----------
comet
this is is the imaginary center line which the earth rotates
axis
the sun and all the bodies that make up the ----------
solar system
an object in orbit with another object is called a--------
satellite moon/luna
---------is an indication of the fraction of the moon that is illuminated as seen from earth
moon phase
a full orbit of an object around another object is called a
revolution