Lesson 1
What are all of Earth's spheres?
Hydrosphere, biosphere, atmosphere, geosphere.
What is a cycle?
something that repeats over and over in a pattern.
What percent of water is salt water and what percent is fresh water?
Salt Water- 97%
Fresh Water- 3%
Name how the Igneous, Sedimentary, and Metmorphic rock is formed.
Igneous rock- forms as magma cool.
Sedimentary rock- forms when sediment is compacted under moderate pressure and is exposed to mineral rich water.
Metamorphic rock- can be broken down into sediment through the process of weathering and erosion.
What is a system?
a collection of parts that interact.
Fill in the blanks.
The ____ contains all the water on Earth. All the air around Earth makes up the _____. Living things make up the _______. The land at Earth's surface is part of the _______.
hydrosphere, atmosphere, biosphere, and geosphere
Define evaporation, condensation, and precipitation.
Evaporation- the procees which a liquid changes to a gas.
Condensation- the process which a gas changes to a liquid.
Precipitation- water that falls from the clouds.
What is salinity?
How salty something is
What percent of Earth is covered in water?
70%
What is another name for all of Earth's systems?
spheres
What are the layers of the geosphere in order?
crust, upper mantle, lower mantle, outer core, and inner core.
True or False
Natural disasters and pollution effect all the spheres.
True
Coastline
Where the land meets the ocean
True of False
Microscopic organisms are not part of the biosphere.
False.
Which layer of the geosphere is the hottest?
The inner core.
What are the layers of the atomsphere in order?
troposphere, stratosphere, mesosphere, thermosphere, and exosphere.
How does wind and the sun effect the water cyce?
It makes evaporation occur quicker.
The global conveyor belt is a pattern of________.
currents.
Name the layers of the biosphere in order from smallest to biggest.
Indivudual, population, community, ecosystem, biome, and biosphere.
What layer of the atomsphere do we live in?
The troposphere
Name the air pressure in order from where we live to the sky.
Highest presure, high pressure, and low prressure.
Fill in the blanks
Near the equator the sun's rays strike Earth_____, and these areas are warmer. Wind is one effect of the _____ heating of Earth's surface.
directly and uneven
What are the La Nina and El Nino events?
El Nino- warmer drier winter in the northern half, and wetter colder winter in the southern half.
La Nina- colder wetter winter in the northern half, and drier warmer winter in the southern half.
Name the water forms from biggest to smallest.
oceans, ice caps and glaciers, ground water, lakes, and rivers.
True or False.
Gravity pulls air particles toward Earth.
True