Earth Science 22.1-22.2

The geocentric model of the solar system has the planets

• and the moon orbiting the sun.
• orbiting the sun and the moon orbiting Earth.
• and the moon and sun orbiting Earth.
• orbiting the sun and the sun orbiting Earth.

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NGSS.MS-ESS1-1

What does the heliocentric model of the solar system state?

• Earth and the other planets orbit the sun.
• All of the planets and the sun orbit Earth.
• Only the moon and Earth orbit the sun.
• The planets orbit Earth, which orbits the sun.

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NGSS.MS-ESS1-2

Who was the first person to propose a heliocentric model of the universe?

• Archimedes
• Aristarchus
• Ptolemy
• Galileo

After the Middle Ages, the astronomer who changed the model of the solar system by placing the sun at its center was

• Galileo.
• Ptolemy.
• Copernicus.
• Kepler.

Which astronomer discovered that the planets orbit the sun in oval-shaped paths called ellipses?

• Kepler
• Brahe
• Galileo
• Archimedes

Galileo’s most important contribution to astronomy was his

• discovery of evidence that the sun is the center of the solar system.
• set of calculations of the size of each of the planets.
• discovery of the planet Mars.
• description of the behavior of moving objects.

Isaac Newton was the first person to formulate and test the law of

• universal gravitation.
• acceleration.
• orbital velocity.
• universal mass.

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NGSS.MS-PS2-4

The spinning of Earth on its axis is called

• revolution.
• precession.
• rotation.
• perihelion.

What is Earth’s motion in its path around the sun called?

• aphelion
• rotation
• precession
• revolution

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NGSS.MS-ESS1-1

What is precession?

• the tilt of Earth’s axis in relation to the ecliptic
• the rotation of Earth as it moves around the sun
• the faster orbital velocity of the planet at perihelion
• the slow change in the direction in which Earth’s axis tilts

Tags

NGSS.MS-PS2-4