Show:
Earth's Atmosphere
Rivers
Lakes
Oceans
More Oceans
100
How many layers does the atmosphere have?
5
100
The beginning of a river is called 
Source
100
A lake can be either naturally made or
Man-made
100
What is the first zone in the ocean?
Sunlight Zone
100
How many main oceans are there in the world?
5
200
What is the name of the first layer of the atmosphere atmosphere? 
Troposphere 
200
The end of river is called
Mouth
200
Lakes are _______ moving bodies of water.
Slow
200
What is the deepest zone in the ocean?
Hadal Zone
200
All the feeding relationships that exist in a habitat is called a 
Food Web
300
What's the last layer of the atmosphere?
Exosphere 
300
Small streams connecting to a river are called 
Tributaries
300
Lakes are surrounded by
Land
300
The gently sloping ocean floor out of the edge of a continent is known as
Continental Shelf
300
This zone extends from the low tide line out to the edge of the continental edge
Neritic Zone
400
What's one main gas in the atmosphere?
Nitrogen
400
Rivers are mainly formed by
Rain or Snow
400
The majority of lakes in the world are _____ water lakes
Fresh
400
What percentage of the Earth is made out of water?
70%
400
Coral reefs and kelp forest are usually found in the 
Neritic Zone
500
What's the hottest layer in the atmosphere?
Thermosphere  
500
A wetland area forms as river waters empty into a larger body
Delta
500
Natural lakes can be made by _______ activity and _______ activity
Glacial activity and volcanic activity
500

The continuous range of mountains that winds around Earth is

Mid- ocean ridge
500

Free swimming animals that can move throughout the water column

Nekton