Branches of Earth Science
What are the five branches of Earth Science?
Geology, meteorology, astronomy, oceanography, and environmental science.
6,000-12,000 years old.
What are the two types of maps that show elevation?
Relief and topographic maps.
True or False: You can use Uranium-235 to date once living things?
False
What is a half life?
The time its takes for half of a radioactive material to decay into its daughter product.
If you study ocean currents, what type of Earth scientist are you?
Oceanographer
5,730 years
What is the imaginary horizontal line that splits the Earth in half into northern and southern hemispheres?
If you wanted to find the capital of Russia, what type of map would you look at?
Political map.
If you believe in the Old Earth theory, how old do you believe the Earth is?
4.6 billion years old.
If you study the weather, what type of Earth scientist are you?
Meteorologist
Why can't you use carbon-14 to date rocks?
Carbon-14 can only be used to date organic materials and rocks are inorganic.
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.
What is the name for the vertical lines that tell you east/west coordinates?
Longitude
How do lake varves form?
Sediment in a lake deposit annually/ biannually, forming layers.
If someone studies rocks and the solid Earth, what branch of Earth science are they in?
Geology
What is used as direct evidence for the Old Earth theory for the age of the Earth?
Radiometric dating.
If it is 5:00 am in Los Angeles, what time is it in Perth, Australia?
9:00 pm.
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).
When Uranium-235 decays, what element does it become?
What does an environmental scientist do?
Studies the natural world and human impacts on the environment.
Lake varves or sedimentation.
If you are at 40 N and 110 W, what state are you in?
Utah
If you are at 30 S and 130 E, what continent are you on?
Australia
What is the difference between direct and indirect evidence for the age of the Earth?