Scavenger+Hunt+Answer+Key

=ANSWERS FOR: Layers of the Earth - CRUST! = = =  **Question #1:** Although the earth has a thin crust, the crust is still thick enough to sustain life.

**Answer:** True. Although the earth has a thick crust, the crust is still thick enough to sustain life.

**Question #2:** With a few sentences explain why, according to the video, volcanoes so important?

**Answer:** Volcanoes are important because, even though the earths crust is thin, scientists have never been able to drill all the way through the crust. Volcanoes are like windows to what is underneath the earths crust.

**Question #3:** The Earth's Crust consists of two parts: **__Fill in the Blank__ ** and **__Fill in the Blank__ ** crusts.

**Answer:** The Earth's Crust consists of two parts: Oceanic and Continental crusts.

**Question #4:** The crust is the **__Fill in the Blank__ ** layer of the earth and consists of about 10 miles of **__Fill in the Blank__ ** <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">and **<span style="color: lime; font-family: Arial,sans-serif; font-size: 10pt; line-height: 115%;">__Fill in the Blank__ **<span style="color: black; font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">.

**Answer:** The Crust is the FIRST layer of earth and consists of about 10 miles of rock and loose material. = = =<span style="color: #ff0000; font-family: 'Arial Black',Gadget,sans-serif;">ANSWERS FOR: Layers of the Earth - The Mantle! =

<span style="color: #0000ff; font-family: 'Courier New',Courier,monospace;">**Question #1:** <span style="color: #000000; font-family: 'Courier New',Courier,monospace;"> What six elements compose the mantle?
 * Answer: ** <span style="color: #000000; font-family: 'Courier New',Courier,monospace;">The six elements that compose the Earth's mantle are Silicon, Oxygen, Magnesium, Iron, Aluminum, and Calcium.

<span style="color: #0000ff; font-family: 'Courier New',Courier,monospace;">**Question #2:** <span style="font-family: 'Courier New',Courier,monospace;">True or False: The Earth's mantle is approximately 2900km thick. **Answer:** <span style="font-family: 'Courier New',Courier,monospace;">True. The Earth's mantle is about 2900km thick.

<span style="color: #0000ff; font-family: 'Courier New',Courier,monospace;">**Question #3:** <span style="font-family: 'Courier New',Courier,monospace;"> What is the name of the current that takes place in the mantle as well as in the core and crust?


 * Answer: ** **Convection current** takes place in the mantle, core, and crust.


 * <span style="color: #0000ff; font-family: 'Courier New',Courier,monospace;">Question #4: **<span style="font-family: 'Courier New',Courier,monospace;"> Fill in the two blanks of this sentence to make it correct: The temperature of the mantle varies from __**Fill in the Blank**__ degrees Fahrenheit at the top to about __**Fill in the Blank**__ degrees Fahrenheit near the bottom<span style="font-family: 'Comic Sans MS',cursive;">.


 * Answer: **The temperature of the mantle varies from __**1600**__ degrees Fahrenheit at the top to about **__4000__** degrees Fahrenheit near the bottom

<span style="color: #ff0000; font-family: 'Arial Black',Gadget,sans-serif; font-size: 130%;">ANSWERS FOR: Layers of the Earth - The INNER/OUTER CORE!

<span style="color: #0000ff; font-family: 'Courier New',Courier,monospace;">**Question #1****:** <span style="color: #000000; font-family: 'Courier New',Courier,monospace;"> The Earth’s Outer Core is a __Fill in the Blank__ and the Earth’s Inner Core is a __Fill in the Blank__. A. Hot, Cold B. Cold, Hot C. Liquid, Solid D. Solid, Liquid
 * Answer: ** C. From seismic or earthquake waves, scientists believe the outer core is a liquid and the inner core is a solid

<span style="color: #0000ff; font-family: 'Courier New',Courier,monospace;">**Question #2:** The inner core has a temperature of about __12,000°F__, which is hotter than the surface of the sun. A. True B. False
 * Answer: ** B. The inner core may have a temperature up to about __13,000°F__ (7,200°C = 7,500 K), which is hotter than the surface of the Sun.

<span style="color: #000000; font-family: 'Courier New',Courier,monospace;"><span style="color: #0000ff; font-family: 'Courier New',Courier,monospace;">**Question #3:** Scientists believe that the circulation of the molten metal in the Earth’s Outer Core causes a __Fill in the Blank__ around the earth. A. gravitational push B. magnetic field C. gravitational pull D. magnetic force
 * Answer: ** B. Scientists hypothesize that the movement of molten metal in the Earth’s outer core is responsible for the Earth’s magnetic field.

<span style="color: #0000ff; font-family: 'Courier New',Courier,monospace;">**Question #4:** The Earth’s Outer Core is made up of mostly __Fill in the Blank__. A. Iron and Nickel B. Metal and Copper C. Copper and Lead D. Iron and Silver
 * Answer: ** A. This lava is believed to be mostly iron, and nickel.

= Answers for:Layers of the Earth~THE ATMOSPHERE! = = ** Question #1: ** The word atmosphere comes from the word for “mixing” in what language? A. Spanish B. Greek C. Latin D. Russian =
 * Answer **: B. Greek

__Circle all that apply__
 * Question #2 **: ** What are the constant components that make up the Earth’s atmosphere?

Nitrogen Magnesium Ice Oxygen Argon Cobalt Neon ** Answer: Nitrogen, Oxygen, Argon, and Neon

** Answer: **Troposphere, Stratosphere, Mesosphere, and Thermosphere**
 * Question #3 ** : ** Name the four layers of the Earth’s atmosphere.

**Question #4**: ** __True or False__: The layers of the atmosphere are most commonly divided based off of temperature. ** Answer **: True.**