Characteristics
Which of the following groups of celestial objects is arranged in order from smallest to largest?
A.star, planet, moon,galaxy
B. galaxy, star, moon, planet
C.moon, planet, star, galaxy
D. star, planet, moon, galaxy
C. moon, planet, star, galaxy
Which of the following reasons best explains why scientists once thought other planets and the Sun revolved around Earth?
A. Scientists long ago did not make careful observations and went on feelings alone.
B. Scientific theories cannot explain phenomena.
C. Scientific theories are constantly being revised as new information and technology arises.
D. Scientists long go were not intelligent.
C. Scientific theories are constantly being revised as new information and technology arises.
Sir Isaac Newton realized that the same force that acts on falling objects also keeps the planets in their orbits. He called this force...
A. electricity
B. friction
C. gravity
D. magnetism
C. gravity
Which galaxy is the band of thousands of stars that contains Earth?
A. Andromeda
B. Centaurus A
C. Milky Way
D. Sagittarius A
C. Milky Way
What characteristics is shared between all of the outer planets?
A. They have no moons that orbit them
B.They are made mostly of gaseous materials.
C. They are all very warm, similar to Venus.
D. They orbit the Sun opposite to Earth.
B. They are made mostly of gaseous materials
As well as describing what is the center of the Earth's solar system, what did the heliocentric and geocentric theories explain?
A. the changing temperature of the solar system
B. how different parts of the solar system orbit
C. the age of the solar system
D. of what each planet is made of
B. how different parts of the solar system orbit
Which of the following scientists would have argued for a geocentric model of the solar system?
A.Ptolemy
B.Kepler
C.Galileo
D. Copernicus
A.Ptolemy
The greater the mass of an object, the greater its gravitational pull on other objects. Which of the following exerts the greatest gravitational pull?
A. galaxy
B. moon
C. planet
D. star
A. galaxy
Where is the Milky way is Earth's Sun?
A. under the disk
B. in the center of the disk
C. on one of the rotating arms
D. at the very edge of the disk
C. on one of the rotating arms
The forces of gravity and inertia together are responsible for
A.eclipses
B.phases
C.tides
D. orbits
D. orbits
Based o the time line, which scientist checked the evidence of the heliocentric model by using a telescope?
A. Galileo Galilei
B. Johannes Kepler
C. Claudius Ptolemaeus
D. Nicolaus Copernicus
A. Galileo Galilei
Which of the following are three of the outer planets?
A. Jupiter, Neptune, Saturn
B. Neptune, Earth, Venus
C. Saturn, Mercury, Earth
D. Uranus, Jupiter, Mars
A. Jupiter, Neptune, Saturn
Which galaxy is Earth found in?
A. Andromeda
B. Pinwheel
C. Milky Way
D. Black Eye
C. Milky Way
Which two planets are most alike in size, mass, and density?
A. Mercury and Venus
B. Earth and Mars
C. Venus and Earth
D. Mars and Mercury
C. Venus and Earth
Kepler correctly proposed that the planets orbited the Sun in orbits of what shape?
A. circular
B. elliptical
C. linear
D. spherical
B. elliptical
Asteroids can vary in size. They can be as small as
A. Earth and as large as Saturn
B. a baseball and as large as the moon.
C. dust and as large as the state of Georgia.
D. the state of Florida and as large as North America.
C. dust and as large as the state of Georgia.
Which shows a comet, meteorite, and meteor in order from smallest to largest?
A. meteor, comet, meteorite
B. comet, meteorite, meteor
C. meteorite, meteor, comet
D. meteor, meteorite, comet
C. meteorite, meteor, comet
Most planets in the solar system have
A. at least one moon, but only Earth's moon is visible to the unaided eye.
B. dozens of moons, and all can be seen with the unaided eye.
C. several moons, which light up the night sky.
D. only one moon, all brighter than Earth's moon
A. at least one moon, but only Earth's moon is visible to the unaided eye.
Why did the astronomer Copernicus propose a heliocentric model of the solar system instead of he accepted geocentric model?
A. The geocentric model was only widely accepted by Greek astronomers.
B.Copernicus's telescope allowed him to see other planets orbiting the Sun.
C. The heliocentric model explained some observations more accurately than the geocentric model.
D. Space exploration y Copernicus's time had proven that the Sun was the center of the solar system.
C. The heliocentric model explained some observations more accurately than the geocentric model.
Which of the following best describes he distance relationships among the planets in Earth's solar system?
A. The inner planters are closer together than the outer planets.
B. The outer planets are closer together than the inner planets.
C. Each planet is 10 A.U. farther from the Sun than the previous planet.
D. Each of the inner planets is more than 100 A.U. from the Sun.
A. The inner planters are closer together than the outer planets.