Earth's Spheres
Which sphere contains rocks, soil, and sediments?
geosphere
What is one factor that affects evaporation?
heat, air movement
What is a terrarium?
an enclosure used for raising plants, contains all 4 spheres
Name 3 uses for water
cooking, cleaning, washing, drinking, flushing
How does the hydrosphere interact with or affect the geosphere?
What happens to cause clouds?
Air cools and condenses quickly
What role does gravity play in the water cycle?
allows precipitation to fall to the ground, allows run-off to return to the groundwater or other bodies of water
Where is most of the Earth's water located?
oceans
What is the biosphere?
Contains all life, includes plants and animals
What causes precipitation?
The clouds become too heavy
What is condesation?
The process of a gas changing to a liquid
How much of the world's surface is covered in water?
70%
How do the atmosphere and the geosphere interact?
The atmosphere controls the weather
Groundwater exists under the Earth's surface, run-off is excess water that is not absorbed into the groundwater and is not evaporated
Name the 3 rules of systems.
1. a system is parts working together
2. every part has a job
3. outside factors can change the system
Why is fresh water a valuable resource?
Less than 1% of the Earth's water is usable.
Which systems are interacting during a forest fire?
biosphere, atmosphere
Why are some bodies of water salty and others are not?
The river washes the salt and other sediments away from freshwater sources and takes it to the ocean, the ocean produces it's own salt because of the sediments on the ocean floor that are constantly mixed up
What is evaporation?
The process of a liquid changing to a gas.
How can pollution impact the Earth's water supply?
Makes more of the water unusable