Earth's Biospheres
Which of Earth's spheres refer to all the water on Earth?
Hydrosphere
What is Earth's outermost layer called?
Crust
Earth's water cycle is most closely associated with which sphere?
Hydrosphere
What layer of the Earth did the shell of the egg represent? Why?
Crust- outermost layer; thin
Firemen fight a raging forest fire. How does this affect the lithosphere?
Fire burns down trees, altering the landscape.
Which of Earth's spheres refer to all living things on Earth?
Biosphere
What is Earth's largest layer called?
Mantle
Which 2 layers do living things rely on THE MOST in order to survive?
Hydrosphere (water) and Atmosphere (Air/Oxygen)
What layer of the Earth did the white part of the egg represent? Why?
Mantle- largest layer and thick
Firemen fight a raging forest fire. How does this affect the biosphere?
The fire can kill animals and/or drive them out of their normal habitats as they flee the fire.
Which of Earth's spheres refer to Earth's landforms and crust?
Lithosphere
Which layer of Earth is liquid and the hottest layer?
Outer Core
The oceanic crust of the Earth is fairly thin, about how thick is it?
A. 4-7 ft thick
B. 4-7 meters thick
C. 4-7 miles thick
What layer of the Earth did the egg yolk represent? Why?
Core- innermost layer; thick
Firemen fight a raging forest fire. How does this affect the atmosphere?
Sends smoke into the atmosphere, causing air pollution
Which of Earth's spheres refer to all the gases/vapors that surround the Earth?
Atmosphere
What is the innermost layer of the Earth?
Inner Core
How does the Earth's atmosphere interact with the sun's rays?
The atmosphere absorbs energy from the sun and holds it to heat the Earth
Who was Robert T. Bakker?
Paleontologist who discovered that some dinosaurs were warm blooded, proving that dinosaurs were not reptiles (as previously thought) but more closely related to birds
An oil rig in the Gulf of Mexico explodes and thousands of gallons of water spill into the water. Which of Earth's spheres does this DIRECTLY affect?
Biosphere
Name all four of Earth's spheres.
Hydrosphere, Biosphere, Lithosphere, and Atmosphere
How far into the Earth's crust have scientists been able to drill?
About 7 miles
How is the lithosphere important to the biosphere?
Plants grow in the lithosphere.
We depend on elements in the lithosphere to support life.
We build our life on the surface.
What do geophysicists study?
Seismic waves and how they affect the lithosphere
A paper plant pollutes the air as it produces paper. Which of Earth's spheres does this directly affect?
Atmosphere
Biosphere (pollution is harmful to living things as they breathe in the polluted air)