Earth as a System Flashcards
1
Q
What is a System?
A
A system is a series of item that work together and are dependent on each other.
2
Q
Parts of a computer
A
Keyboard, Mouse, USB, HDMI, Printer etc.
3
Q
The Four spheres of earth (Must be on the quiz)
A
Lithosphere, Hydrosphere, Biosphere, Atmosphere
4
Q
What is another word for lithosphere?
A
The Geosphere.
5
Q
Lithosphere information
A
- It comes from the word litho and means stone
- Also known as the Geosphere
- It is 60 km thick
- It is made up of rocks and minerals.
- It is the crust covering the entire planet
6
Q
Biosphere Information
A
- Comes from the Greek word Bios means life
- Contains all of the planet’s living organisms
7
Q
What are the bugs on the eyelashes called?
A
Demodex mites
8
Q
Hydrosphere Information
A
- Comes from the Greek word Hydro Meaning Water
- Is 12 km thick
- Salt water makes up 97% and the 3% is freshwater.
- Most of the freshwater on earth is frozen in glaciers
9
Q
Atmosphere Information
A
- Comes from the Greek word Atmos meaning Air.
- It is about 480 km thick
- It is made up of 78% Nitrogen
- 21% oxygen
- 1% other gases
10
Q
Atmosphere+Hydrosphere+Lithosphere=?
A
Biosphere. The Biosphere is the circle of life.
11
Q
A
