Reviewer

What initiated the collapse of the solar nebula?

• The fusion of hydrogen atoms

• Cooling of the universe

• A nearby supernova shockwave

• Loss of planetary atmospheres

Tags

NGSS.MS-PS2-4

Which component of the early solar system became the planets?

• Jets from the Sun

• Colliding stars

• Condensed clumps in the solar disk

• Captured comets

Tags

NGSS.MS-ESS1-2

What role did accretion play in the solar system's formation?

• A. It caused comets to melt.

• B. It formed the Sun’s magnetic field.

• C. It allowed small particles to combine into planetesimals.

• D. It triggered solar flares.

Which of the following would best model the early solar system formation?

• A. A spinning pizza dough forming a flat disk

• B. A balloon expanding in size

• C. A flashlight shining on a mirror

• D. A bouncing rubber ball

Tags

NGSS.MS-ESS1-2

How do meteorites support theories of solar system formation?

• They contain modern bacteria.

• They show signs of weathering and erosion.

• They are composed of ancient, unaltered solar material.

• They originate from volcanic eruptions.

Tags

NGSS.MS-ESS1-3

A planet takes 27 Earth years to complete an orbit. How far is it from the Sun in astronomical units (AU)?

• 9 AU

• 27 AU

• 81 AU

• 3 AU

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

Which aspect of Earth’s motion is responsible for the cycle of day and night?

• Revolution

• Tilt

• Precession

• Rotation

Tags

NGSS.MS-ESS1-1

What would happen to Earth's orbital period if it were moved farther from the Sun?

• It would remain the same

• It would decrease

• It would increase

• It would become zero

Tags

NGSS.MS-ESS1-2

Kepler’s Third Law is mathematically represented as P² = a³. What does "a" represent in this equation?

• A. Angular momentum

• B. The planet's mass

• C. The semi-major axis in AU

• D. The aphelion distance in km

Tags

NGSS.HS-ESS1-4

Why do all planets in the solar system orbit in roughly the same plane?

• The Sun's magnetic field pulls them into alignment

• Collisions forced them into alignment

• They formed from the same rotating disk of gas and dust

• Jupiter’s gravity organized the planets

Tags

NGSS.MS-ESS1-2