Download Astronomy Review Packet

CH 17 Study Sheet
Major Vocabulary:
 Axis – an _____________________ around which the _______ rotates (the Earth’s
axis is tilted ______ degrees)
 Moon Phase –
__________________________________________________________________
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 Solar system – the ______ and all the bodies that orbit it
 Space Probe – a spacecraft that gathers data ___________ a crew
 Asteroid –
__________________________________________________________________
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 Rotation – one whole __________ of an object on its _______
 Revolution – one full __________ of an object around ____________
 Comet – a _______________________________ orbiting the sun
 Terrestrial – planets that are made of rocks
 The four gas giants are:
 _________________
 _________________
 _________________
 _________________
Draw a picture below representing the difference between a meteor, meteorite, and
meteoroid.
Main Concepts: Lesson 1, Lesson 2, Lesson 3, Lesson 4
1) How do the planets move around the sun? In a(n) ________________ orbit.
2) Why do moons orbit planets and planets orbit the Sun?
____________________________________________________________
3) Order of the 8 planets from the sun, location (inner/outer) and their composition
(gas/terrestrial)
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4) Some planets have moons and/or debris that orbit them.
5) Besides planets, __________, ____________, and ______________ orbit the sun
6) Earth’s orbit is nearly ________________ (seasons are NOT due to its orbit)
7) _____________, a former major planet, is now classified as a dwarf planet
8) Which other planet shows discoveries of possibly once having life/water?
9) Know days and hours of the Earth’s revolution and rotation
10) Earth’s rotation causes everything to appear to change position
11) Earth’s axis tilt _______ degrees (this, along with revolution, affects the amount of
sunlight earth receives)
12) What causes the Earth’s seasons?
__________________________________________________________________
13) Average daily temperature is related to amount of direct sunlight received – changes in
average temperature throughout the year are identified as seasons
14) Moon phases - Label each phase and place arrows in the direction of the phases:
15) High tides and low tides happen because:
__________________________________________________________________
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16) Why is the moon bright/lighted?
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17) Why don’t we have eclipses each month?
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