Spheres
Which sphere is responsible for all of the ice in the world?
Cryosphere
Ava has been reading about the interactions among the components of Earth. This group of components works together to make what?
A system
What is a system?
A group of parts that work together
Define cryosphere
The frozen part of the hydrosphere
How do the atmosphere and biosphere interact?
The biosphere needs the air or gases provided by the atmosphere
Which sphere includes all of the gases?
Atmosphere
Fatima drew a diagram of the water cycle to share with her class. She wanted to be able to explain the source of energy for the water cycle, so she looked it up in an encyclopedia. What provides the energy that drives the water cycle?
Heat of the sun
What happens during the water cycle?
water evaporates, goes in the clouds, and comes back down as precipitation
Define atmosphere
The thin gases that form Earth's outermost layer
How do the hydrosphere and atmosphere interact?
The atmosphere evaporates the waters of the Earth, resulting in the water cycle
Which sphere would a butterfly be part of?
Biosphere
Sam read that all subsystems interact with each other. How can changes in the cryosphere affect the geosphere?
land that loses weight rises slowly
What is hot molten rock inside the Earth called?
Magma
Define geosphere
Earth's solid metal inner core, liquid metal outer core, and the rocky parts of Earth
How do the biosphere and hydrosphere interact?
Biosphere needs water to survive
If I am at the beach, which sphere would surfers be using?
Hydrosphere
What will happen to ice in the Arctic if temperatures continue to rise?
the ice will ,elt or decline
Name a way you interact with the geosphere?
Walking
Define hydrosphere
All of Earth's water
Define energy
The ability to do work
The rocks and soil of the Earth are part of which sphere?
Geosphere
Marcus read that systems provide feedback, or the return of information. Feedback can either cause a change in the system or keep it stable. Melting glaciers are an example of positive feedback. Why is this considered positive feedback?
Melting glaciers would let the uncovered air and land warm, which speeds up the melting.
Name living things that interact with the cryosphere?
Penguins and polar bears
Define biosphere
All living organisms
Define feedback
return or feedback information about itself resulting in a change