Branches of Earth Science
Age of the Earth
Maps
Mystery 1
Mystery 2
100

What are the five branches of Earth Science?

Geology, meteorology, astronomy, oceanography, and environmental science.

100
If you believe in the Young Earth theory, how old do you think the Earth is?

6,000-12,000 years old.

100

What are the two types of maps that show elevation?

Relief and topographic maps.

100

True or False: You can use Uranium-235 to date once living things?

False

100

What is a half life?

The time its takes for half of a radioactive material to decay into its daughter product.

200

If you study ocean currents, what type of Earth scientist are you?

Oceanographer

200
What is the half life of carbon-14?

5,730 years

200

What is the imaginary horizontal line that splits the Earth in half into northern and southern hemispheres?

The equator
200

If you wanted to find the capital of Russia, what type of map would you look at?

Political map.

200

If you believe in the Old Earth theory, how old do you believe the Earth is?

4.6 billion years old.

300

If you study the weather, what type of Earth scientist are you?

Meteorologist

300

Why can't you use carbon-14 to date rocks?

Carbon-14 can only be used to date organic materials and rocks are inorganic.

300

What are the names of the two imaginary lines north and south of the equator that show the tropical region of the Earth?

Tropic of Cancer and Tropic of Capricorn.

300

What is the name for the vertical lines that tell you east/west coordinates?

Longitude

300

How do lake varves form?

Sediment in a lake deposit annually/ biannually, forming layers.

400

If someone studies rocks and the solid Earth, what branch of Earth science are they in?

Geology

400

What is used as direct evidence for the Old Earth theory for the age of the Earth?

Radiometric dating.

400

If it is 5:00 am in Los Angeles, what time is it in Perth, Australia?

9:00 pm.

400

If the contour lines on a topographic map are really close together, what does that tell you about the landscape?

The landscape is steep (likely a hill or mountain).

400

When Uranium-235 decays, what element does it become?

Lead (Pb-207)
500

What does an environmental scientist do?

Studies the natural world and human impacts on the environment.

500
What is a piece of indirect evidence for the Old Earth theory?

Lake varves or sedimentation.

500

If you are at 40 N and 110 W, what state are you in?

Utah

500

If you are at 30 S and 130 E, what continent are you on?

Australia

500

What is the difference between direct and indirect evidence for the age of the Earth?

Direct evidence directly measures the age, such as using radiometric dating. Indirect evidence estimates age based on something that is assumed, such as lake varves or sedimentation. 
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