Chapter 18.1 Review (8th) Question Preview (ID: 36546)


Astronomy: The Original Science. TEACHERS: click here for quick copy question ID numbers.

The time required for the Earth to orbit once around the sun
a) day
b) month
c) year
d) leap year

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) Ptolemaic theory
b) Copernican theory
c) Ptolemaic Law
d) Einstein’s theory

The time required for the Earth to rotate once on its axis
a) day
b) year
c) month
d) second

What did most early astronomers think made up the universe?
a) sun and planets
b) sun and Earth
c) sun, moon, and Earth
d) sun, moon, and planets

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

was one of the first persons to use a telescope to observe celestial bodies
a) Galileo Gallilei
b) Tycho Brahe
c) Johannes Kepler
d) Sir Isaac Newton

proved the existence of galaxies other than the Milky Way
a) Copernicus
b) Edwin Hubble
c) Ptolemy
d) day

What did ancient cultures use to mark the passage of time?
a) stars, planets, and moon
b) stars
c) planets
d) sun and moon

What did Ptolemy think was at the center of the universe?
a) Earth
b) sun
c) moon
d) other planets

What did Copernicus think was at the center of the universe?
a) Earth
b) sun
c) moon
d) other planets

Tycho Brahe recorded precise __________________ of planets and stars.
a) observations
b) telescope
c) gravity
d) elliptical

Johannes Kepler said that planets revolved around the sun in ________________ orbits.
a) observations
b) telescope
c) gravity
d) elliptical

Isaac Newton showed that __________________ keeps moons and planets in orbit.
a) observations
b) telescope
c) gravity
d) elliptical

What happens in 1 year?
a) The moon completes one orbit around the Earth.
b) The sun travels once around the Earth.
c) The Earth revolves once on its axis.
d) The Earth completes one orbit around the sun.

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