The Atmosphere
What is the layer of gas around the earth called?
The atmosphere
The ____________ is the layer where we find spacecrafts
Thermosphere
What are the 3 states of water we find in nature?
Solid, liquid, gas
Where do we find water in solid states in nature?
In very cold places
What is the first step in the water cycle?
A. The heat from the sun evaporates surface water in the sea and turns it to water vapour
B. Water from the clouds falls to the ground in the form of rain, snow, or hail
C. Water vapour in the air condenses and forms clouds
A. The heat from the sun evaporates surface water in the sea and turns it to water vapour
How thick is the atmosphere?
1,000 kilometers
Which layer can we find rain and snow? And what layer is closest to the Earth?
Troposphere
How does water form when it is in a state of gas?
Water vapour
Water changes state when it gets ____________ or _______________.
Hotter or colder
What are the 3 forms of water that fall to the ground from clouds?
Rain, snow, and hail
What are the 2 most abundant gases in the atmosphere? And what is the mixture of these gases called?
Nitrogen and oxygen
The mixture of gases is called air
In which layer can we see shooting stars?
Mesosphere
What 3 forms do we find water in a solid state?
Snow, ice, and hail
What are the 2 processes called when water gets hotter?
Evaporation and melting
TRUE OR FALSE: groundwater and river water return to the sea?
TRUE! Groundwater and river water return to the sea, in the final step in the water cycle.
How many layers make up the atmosphere? Name them in order closest to farthest from Earth
There are 5 layers
closest --------> farthest from our planet
troposphere, stratosphere, mesosphere, thermosphere, and exosphere
Which layer contains the ozone layer?
Stratosphere
Where in nature is liquid water? Name 6.
Rivers, aquifers, rain, lakes, seas, and oceans
What are the 2 processes called when water gets colder?
Condensation and freezing.
Groundwater accumulates in ___________
Aquifers
Name the 3 reasons the why the atmosphere makes Earth habitable for living things?
Which layer is furthest from Earth?
Exosphere
Can you see water in a gas state?
No, you can not see water when it is in a state of gas
What is the final state of water in the processes of melting and condensation?
Liquid
What are the 2 places where groundwater returns after it accumulates into aquifers?
Groundwater returns to natural springs or wells