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Chapter 18.1 Review (8th)
Test Description: Astronomy: The Original Science
Instructions: Answer all questions to get your test result.
1) The time required for the Earth to orbit once around the sun
A
leap year
B
day
C
month
D
year
2) This theory stated that the Earth was at the center of the universe and that the other planets and the sun revolved around the Earth
A
Copernican theory
B
Ptolemaic theory
C
Einstein’s theory
D
Ptolemaic Law
3) The time required for the Earth to rotate once on its axis
A
day
B
year
C
second
D
month
4) What did most early astronomers think made up the universe?
A
sun, moon, and Earth
B
sun and planets
C
sun and Earth
D
sun, moon, and planets
5) What laws did Kepler state that are still in use today?
A
laws of planetary names
B
laws of planetary motion
C
laws of solar motion
D
laws of gravity
6) was one of the first persons to use a telescope to observe celestial bodies
A
Johannes Kepler
B
Tycho Brahe
C
Sir Isaac Newton
D
Galileo Gallilei
7) proved the existence of galaxies other than the Milky Way
A
Edwin Hubble
B
day
C
Ptolemy
D
Copernicus
8) What did ancient cultures use to mark the passage of time?
A
planets
B
stars, planets, and moon
C
sun and moon
D
stars
9) What did Ptolemy think was at the center of the universe?
A
sun
B
other planets
C
moon
D
Earth
10) What did Copernicus think was at the center of the universe?
A
moon
B
sun
C
other planets
D
Earth
11) Tycho Brahe recorded precise __________________ of planets and stars.
A
gravity
B
elliptical
C
telescope
D
observations
12) Johannes Kepler said that planets revolved around the sun in ________________ orbits.
A
telescope
B
gravity
C
elliptical
D
observations
13) Isaac Newton showed that __________________ keeps moons and planets in orbit.
A
observations
B
gravity
C
telescope
D
elliptical
14) What happens in 1 year?
A
The sun travels once around the Earth.
B
The moon completes one orbit around the Earth.
C
The Earth completes one orbit around the sun.
D
The Earth revolves once on its axis.
*select an answer for all questions
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