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Unit D Ch 3 Solar System Flashcards | StudBud
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Unit D Ch 3 Solar System
Unit D Ch 3 Solar System
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1
What is the measurement equal to the distance between Earth and the sun?
astronomical unit
phases
light-year
axial tilt
2
Which shape of orbit did Kepler believe the planets had?
flat
elliptical
rectangle
circle
3
The phase in which half the moon's lit side is visible after the waning gibbous moon is called __________.
third quarter
new moon
first quarter
full moon
4
Different shapes the moons seems to have when viewed from Earth is called ___________.
orbit
revolution
phases
planetary system
5
What is a ball of ICE, rock, and frozen gases that orbits the sun?
axis
meteroid
asteroid
comet
6
oval path
ellipse
orbit
planetary system
rotation
7
What unit is used to measure the distance from Earth to the sun?
light-year
mile
astronomical unit
kilometer
8
The angle of a planet's axis from vertical is called ________.
axial tilt
orbit
rotation
axis
9
Which shape of orbit did Copernicus believe the planets had?
rectangle
flat
oval
circular
10
The sun seems to rise and set because of Earth's ________.
axial tilt
cycle
rotation
precession
11
What is a chunk of rock that orbits the sun and is smaller than an asteroid?
comet
meteroid
asteroid
12
Copernicus proposed a model of the solar system in which ______________.
the sun is the center of the universe
Earth revolves around the sun
the moon revolves around the sun
Earth is the center of the universe
13
What do we call the turning of an object on its axis?
revolution
orbit
axis
rotation
14
What is the phase in which half the moon's lit side is visible after the waxing crescent moon?
phase
third quarter
first quarter
second quarter
15
This is an example of which phase of the moon?
full moon
third quarter
new moon
first quarter
16
Seasonal changes on Earth are caused by _____________.
Earth's distance from the sun
Earth's axial tilt
Earth's speed of rotation
the cycles of the sun
17
Over thousands of years, the North Star changes because of _______________.
the rotation of Earth's orbit
the wobble of Earth's axis
Earth's revolution
Earth's axial tilt
18
What is the imaginary line through Earth's center, from the North Pole to the South Pole?
axis
ellipse
orbit
season
19
Period of the year with a certain level of temperatures and type of weather is called ____________.
ellipse
rotation
phases
seasons
20
The movement of one object in an orbit around another object is called ___________.
revolution
orbit
ellipse
rotation
21
What is the path an object follows as it revolves around another object?
rotation
orbit
ellipse
revolution
22
It is warmer in the summer than in the winter because in summer _____________.
Earth is closer to the sun
the part of Earth having summer is tilted AWAY from the sun
the part of Earth having summer is tilted toward the sun
part of Earth having summer is tilted neither toward no away from the sun
23
According to the today's scientists, there are _______ planets & more than ______ moons in the solar system.
12, 50
14, 50
8, 60
9, 60
24
What enabled Galileo to observe the planets and prove the Copernicus was correct?
stethoscope
oscillioscope
telescope
microscope
25
What is a chunk of rock and metal that orbits the sun?
asteroid
planet
comet
meteroid
26
Daytime on each planet lasts for different amounts of time because each planet ___________________.
has a different period of rotation
orbits at a different distance from Earth
has a differently shaped orbit
orbits at a different distance from the sun
27
This is an example of which phase of the moon?
waning crescent
waning gibbous
waxing gibbous
waxing crescent
28
System of planets revolving around a star is called ____________.
planetary system
phases
ellipse
astronomical unit
