6th Grade Geology: Earth Structure And Composition

Approved & Edited by ProProfs Editorial Team

The editorial team at ProProfs Quizzes consists of a select group of subject experts, trivia writers, and quiz masters who have authored over 10,000 quizzes taken by more than 100 million users. This team includes our in-house seasoned quiz moderators and subject matter experts. Our editorial experts, spread across the world, are rigorously trained using our comprehensive guidelines to ensure that you receive the highest quality quizzes.

Learn about Our Editorial Process

| By JacobStudent

JacobStudent

Community Contributor

Quizzes Created: 2 | Total Attempts: 38,640

Questions: 8 | Attempts: 611 | Updated: Oct 24, 2024

Questions

Settings

Feedback

During the Quiz End of Quiz

Difficulty

Sequential Easy First Hard First

Play as

Quiz Flashcard

Create your own Quiz

Share on Facebook Share on Twitter Share on Whatsapp Share on Pinterest Share on Email Copy to Clipboard Embed on your website

Earth Structure and Composition

Questions and Answers

1.

The Earth's crust is mostly made of
- A.
  
  Oxygen and Iron
- B.
  
  Rock and Soil
- C.
  
  Aluminum and Silicon
- D.
  
  Oxygen and Silicon
Correct Answer
D. Oxygen and Silicon

Explanation
Most rocks that make up the Earth's crust are mad up primarily of the elements silicon(27%) and oxygen(45%).

Rate this question:

1
0
2.

Other elements that are in the Earth's crust are:
- A.
  
  Sodium, lava, and soil
- B.
  
  Aluminum, Iron, and Calcium
- C.
  
  Molten lava, Sodium, and Iron
- D.
  
  Aluminum, Iron, and bones
Correct Answer
B. Aluminum, Iron, and Calcium

Explanation
The crust also holds small amounts of Aluminum, Iron, Calcium, Magnesium, Sodium, and other elements.

Rate this question:
3.

The layers of the Earth are:
- A.
  
  Crust, Mantle, Outer Core, and Inner Core
- B.
  
  Crust, Top Middle, Bottom Middle, and Core
- C.
  
  Top Soil, Molten Lava, Outer Core, and Inner Core
- D.
  
  Crust, Mantle, Lava Center, and Core
Correct Answer
A. Crust, Mantle, Outer Core, and Inner Core

Explanation
The crust is the top layer, then the mantle, followed by the outer and inner core.

Rate this question:

4
0
4.

The Outer core is the thickest layer of the Earth
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The mantle is the thickest layer.

Rate this question:

5
0
5.

The Inner core is liquid lava
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Although the inner core is very hot, it is kept solid due to the great pressure of the layers above it.

Rate this question:

3
1
6.

Melted rocks from the mantle are called
- A.
  
  Sedimentary rocks
- B.
  
  Lava
- C.
  
  Molten lava
- D.
  
  Magma
Correct Answer
D. Magma

Explanation
High temperatures (2800-3200 degrees Celsius) in the upper part of the mantle melt rocks, forming magma that flows like hot thick oatmeal.

Rate this question:

1
0
7.

The Earth is a little flattened at the ________ and bulges a bit at __________.
- A.
  
  Sea level and mountain tops
- B.
  
  Poles and equator
- C.
  
  Top and sides
- D.
  
  Prime meridian and equator
Correct Answer
B. Poles and equator

Explanation
The Earth's shape is not perfectly spherical.

Rate this question:

1
0
8.

The distance from the North and south pole is smaller than from a point on the equator to an opposite point halfway around the equator.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
see question 7.

Rate this question:

Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

Current Version
Oct 24, 2024

Quiz Edited by
ProProfs Editorial Team
Feb 25, 2013

Quiz Created by
JacobStudent

6th Grade Geology: Earth Structure And Composition

The Earth's crust is mostly made of

Other elements that are in the Earth's crust are:

The layers of the Earth are:

The Outer core is the thickest layer of the Earth

The Inner core is liquid lava

Melted rocks from the mantle are called

The Earth is a little flattened at the ________ and bulges a bit at __________.

The distance from the North and south pole is smaller than from a point on the equator to an opposite point halfway around the equator.

The Earth is a little flattened at the and bulges a bit at __.