How do people reconstruct and date events in Earth’s planetary history?
Why do the continents move?
How and why is the Earth constantly changing?
How do the Major Earth Systems Interact?
100
What dating method is used for organic material?
What is Carbon-14
100
This type of plate boundary creates the mountains around the world.
What are convergent boundaries?
100
Wind, Water, and ICE
What is the 3 main parts of erosion?
100
This sphere is all of the water on the earth.
What is the hydrosphere?
200
How does carbon-14 get in an animals body, and when do they stop taking it in?
What is by eating plants and breathing in the air, and they stop taking it in when they die.
200
Divergent plates spread the land creating mid-ocean ridges. Magma from the mantle rises and creates more land.
What is seafloor spreading?
200
Convergent and Divergent
What two boundaries create volcanoes?
200
This land mass is when all of the continents were together as one.
What is Pangea?
300
How much carbon-14 is left when the animal has been dead for a long time, and short time?
The longer an animal is dead the less carbon 14 it has and the younger the animal is the more carbon-14.
300
These consist of divergent, diffuse, convergent, and transform. These are spread all around the world.
What are plate boundaries?
300
Desertification is the de fertilization of the earth
What is Desertification?
300
These three things make up the atmosphere. Their percentiles in the makeup are 78%, 21%, and 1%.
What is nitrogen, oxygen, and water vapor?
400
What is the older and younger layer of Sedimentary rocks?
The bottom later is the oldest and top layer is the youngest.
400
This process is during seafloor spreading: the more dense, cooler land from the seafloor flow to the mantle. The less dense, warmer magma from the mantle rise and push.
What are convection currents?
400
Plants were covered in many layers of sediment
How did the Great Flood affect the earth?
400
These three things are needed in order for photosynthesis to occur and what are the two results of it.
What are sunlight, carbon dioxide, and water are needed and the result is glucose (sugar) and oxygen?
500
Why is dating rocks important to scientists?
It is important because its gives us evidence of life in the past.
500
This is the movement of parts of the earth's crust from one plate into the mantle beneath the other plate.
What is subduction?
500
Cotton Plant
What plant is the worst for farm soil?
500
These 5 zones are in the atmosphere.
What is troposphere, stratosphere, mesosphere, thermosphere, and exosphere