Chapter 8: Lesson 1 "What are the spheres of Earth?"
This Lithosphere sphere is made up of the
continents, islands, and the ocean floor.
Most LAKES, RIVERS, STREAMS, AND GLACIERS are fresh or salt water?
fresh
What is a large mass of ice an snow moving on land
glacier
The solid, rocky outer layer of Earth is the ______.
lithosphere
What parts of Earth allow organisms to live in areas like the picture of the river with trees all around?
lithosphere atomosphere biosphere hydrosphere
What impact might the rising land have on the state of Alaska when a glacier melts?
more land is available but less water available for WATER animals
What does the atmosphere contain?
nitrogen and oxygen and a little carbon dioxide, water vapor and particles of matter
What are the components of the atmosphere that help organisms live on Earth?
nitrogen, carbon dioxide, and water vapor
How do spheres interact?
*Air always contains dirt particles and evaporated water. *The dirt falls into oceans, rivers, and lakes. *The water falls on the land as rain or snow.
What are the main gases in the ATMOSPHERE?
*NITROGEN *OXYGEN
What happens when a volcano erupts?
1.Volcano erupts. 2. Gas and ash move into the air. 3. The ash can fall into the water.
How much of the Earth's surface does the hydrosphere cover?
3/4 of Earth's surface
What is the mixture of water vapor and other gases, as well as particles of matter such as dust that surrounds Earth's surface is called the
ATMOSPHERE
How does ATMOSPHERE help protect living things?
Atmosphere protects living things from being damaged by too much sunlight.
What is the part of Earth in which living things are found is called the
BIOSPHERE (Bio- means life)
The ______ extends from about 10 kilometers above Earth's surface to about 10 kilometers below the surface of the ocean.
Biosphere
True/False: The ATMOSPHERE is not essential for life on Earth.
FALSE. No other planet in the solar system contains the same mixture of gases that organisms need to live.
All the WATERS of Earth make up the ____.
HYDROSPHERE
How does life on Earth depend on the atmosphere?
Life on Earth depends on the atmosphere by living things need air to breathe.
What is the lowest point on the surface of Earth's lithosphere?
Mariana Trench in the PACIFIC OCEAN
What is the highest point on the surface of Earth's lithosphere?
Mt. Everest
What makes up most o the HYDROSPHERE?
OCEAN WATER
True/False: The HYDROSPHERE also contains fresh water.
TRUE
True/False: Most of the ATMOSPHERE is close to the surface of the earth.
True
What are the FOUR MAJOR SPHERES of Earth's system?
air water land all living things
What happens when a glacier melts?
the land that was under them rises slowly, like the way some seat cushions come back into shape after you stand up
What do all living things in the biosphere share?
water, air, light