Astronomy Unit Test

Which model best describes the formation of the solar system?

• Big Bang Theory

• Solar Nebular Theory

• Plate Tectonics

• Steady State Theory

Tags

NGSS.MS-ESS1-2

What force was primarily responsible for the collapse of the solar nebula?

• Electromagnetic force

• Gravity

• Nuclear force

• Friction

Tags

NGSS.MS-ESS1-2

In the early solar system, what caused dust and gas to clump together into planetesimals?

• Magnetic fields

• Nuclear reactions

• Gravitational attraction

• Solar winds

Tags

NGSS.MS-ESS1-2

What is the main difference between terrestrial and gas giant planets?

• Terrestrial planets have rings, while gas giants do not.

• Terrestrial planets are made of gas, and gas giants are made of solid rock.

• Terrestrial planets have solid surfaces, while gas giants are composed of gasses.

• Terrestrial planets orbit farther from the sun than gas giants, beyond the asteroid belt.

Which element is most abundant in the solar nebula?

• Oxygen

• Hydrogen

• Iron

• Silicon

What shape is Earth’s orbit around the sun?

• Circular

• Elliptical

• Parabolic

• Hyperbolic

Tags

NGSS.MS-ESS1-1

What term describes the tilt of Earth’s axis?

• Revolution

• Axial precession

• Axial tilt

• Orbital eccentricity

What is the approximate axial tilt of Earth?

• 15 degrees

• 23.5 degrees

• 45 degrees

• 90 degrees

Tags

NGSS.MS-ESS1-1

What causes the seasons on Earth?

• The distance between Earth and the sun

• Earth’s axial tilt

• The gravitational pull of the moon

• Changes in solar output

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

Which mathematical concept is used to calculate the speed of Earth’s orbit?

• Area of a circle

• Kepler’s laws of planetary motion

• Pythagorean theorem

• Newton’s third law of motion

Tags

NGSS.HS-ESS1-4