Astronomy Unit EES.ESS.1

According to the Nebular Theory, what triggered the collapse of the nebula?

• Gravitational forces

• Solar winds

• Magnetic fields

• Cosmic rays

Tags

NGSS.MS-ESS1-2

Which type of planets are small, rocky, and dense?

• Terrestrial planets

• Jovian planets

• Dwarf planets

• Gas giants

What is the main characteristic of Jovian planets?

• Thick atmospheres and many moons

• Solid surfaces and thin atmospheres

• Small size and rocky composition

• Close proximity to the Sun

Which planet is known for its extensive and visible ring system?

• Saturn

• Jupiter

• Mars

• Venus

What does Kepler's First Law (Law of Ellipses) state about planetary orbits?

• Planets orbit the Sun in elliptical paths with the Sun at one focus

• Planets orbit the Sun in circular paths

• Planets orbit the Sun in parabolic paths

• Planets orbit the Sun in hyperbolic paths

What does Kepler's Third Law (Law of Periods) state about a planet's orbital period?

• It is proportional to the square of the semi-major axis.

• It is proportional to the cube of the semi-major axis.

• It is inversely proportional to the semi-major axis.

• It is equal to the semi-major axis.

Tags

NGSS.HS-ESS1-4

What causes the seasons on Earth?

• The distance of Earth from the Sun.

• The tilt of Earth's axis relative to its orbit around the Sun.

• The gravitational pull of the Moon.

• The rotation of Earth on its axis.

Tags

NGSS.MS-ESS1-1

What is the semi-major axis?

• The shortest radius of an elliptical orbit.

• The longest radius of an elliptical orbit.

• The average radius of a circular orbit.

• The distance from the Sun to the Earth.

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

What is the effect of the gravitational pull of the Moon and the Sun on Earth?

• It causes earthquakes.

• It affects Earth's tides.

• It changes Earth's orbit.

• It influences Earth's seasons.

Tags

NGSS.MS-ESS1-2

What process in the Sun produces energy through nuclear fusion?

• Hydrogen atoms combine to form helium.

• Helium atoms split into hydrogen.

• Carbon atoms fuse into oxygen.

• Oxygen atoms split into carbon.

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8