ESRT Pages 1,10,14

Front

What is the temperature of the stiffer mantle at a depth of 2,000 kilometers?

Back

4,200ºC

Front

How does Earth's elliptical orbit affect its distance from the Sun?

Back

The distance between the Sun and Earth varies.

Front

Which graph best represents the percent by volume of the elements in Earth's hydrosphere?

Back

Graph B

Front

What is the correct match of Earth's interior layers with their descriptions?

Back

Table C

Front

What elements are represented by letters a and b in the graph of Earth's crust?

Back

Oxygen and silicon.

Front

Define the stiffer mantle in terms of Earth's layers.

Back

The stiffer mantle is a layer of the Earth located between the outer core and the asthenosphere, characterized by its solid state and high temperature.

Front

What is the significance of Earth's elliptical orbit?

Back

It causes variations in the distance from the Sun, affecting seasonal climate patterns.

Front

List the main elements that make up Earth's hydrosphere.

Back

Hydrogen and oxygen are the primary elements in Earth's hydrosphere.

Front

What are the main layers of Earth's interior?

Back

Crust, mantle, outer core, inner core.

Front

Explain the composition of Earth's crust.

Back

The Earth's crust is primarily composed of oxygen, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium.