Vocab
When a species is in danger of becoming extinct...
endangered
Very hot melted rock found in Earth's mantle...
molten rock
Glaciers, lakes, and oceans are examples of which sphere?
hydrosphere
What are the 3 layers of the Earth?
Crust, mantle, core
Is most of Earth's water salt water or fresh water?
salt water
the sudden movement of rocks and soil down a slope...
landslide
The root word for this sphere means air
Atmosphere
What is one way to change the appearance of Earth's surface?
Any of these 3:
erosion, plate movement, or weathering
Some of Earth's water is found in the form of water vapor in which sphere?
Solid nonliving substances living in nature...
minerals
conservation
In this sphere you can find rocks, mountains and volcanoes.
Geosphere
Where are two places volcanoes can be found?
Land and ocean floor
What are the three R's of conserving resources?
Reduce, Reuse, Recycle
The dropping off of eroded soil and bits of rock (example, formation of an island)...
deposition
Harmful rain caused by the burning of fossil fuels...
acid rain
This sphere's root word mean life
Biosphere
What kind of volcano is currently erupting or has recently erupted?
active volcano
What percent of Earth's surface water is salt water found in oceans?
97%
Process of water being stored on Earth's surface, in the ground, or as a water feature...
storage
A sometimes harmful, rapid increase in the amount of algae found in water...
algal bloom
When ocean waves crash against a rocky cliff, which two spheres are interacting?
Hydrosphere and geopshere
This kind of volcano has not erupted for some time, but could erupt in the future.
Dormant volcano
About what percent of Earth's water is fresh water?
3%