Earth Science Unit 2

Front

What are the three main layers of the Earth?

Back

The three main layers of the Earth are the crust, mantle, and core.

Front

What is the composition of the Earth's inner core?

Back

The inner core is primarily composed of iron and nickel.

Front

What is the state of matter of the Earth's outer core?

Back

The outer core is in a liquid state.

Tags

NGSS.HS-ESS2-3

Front

What is the primary source of energy for Earth's climate system?

Back

The primary source of energy for Earth's climate system is the Sun.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

Front

What is an elliptical orbit?

Back

An elliptical orbit is an oval-shaped path that an object follows around a star or planet.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Front

What is the significance of the focal points in an elliptical orbit?

Back

The focal points are the points around which the orbiting body moves; one of these points is occupied by the Sun in Earth's orbit.

Front

How long does it take for Earth to complete one orbit around the Sun?

Back

It takes approximately 365.25 days for Earth to complete one orbit around the Sun.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

Front

What is a light curve in astronomy?

Back

A light curve is a graph that shows the brightness of an object over time.

Front

What does the period of an exoplanet refer to?

Back

The period of an exoplanet refers to the time it takes to complete one full orbit around its star.

Tags

NGSS.HS-ESS1-4

Front

What is the typical unit of measurement for orbital period?

Back

The typical unit of measurement for orbital period is days or years.

Tags

NGSS.HS-ESS1-4