Which layer of the atmosphere is closest to the surface of the Earth and it is where all weather occurs?

• Thermosphere  
• Mesosphere
• Stratosphere 
• Troposphere 

What are the three basic types of clouds?

• Cumulus, Stratus, Cirrus
• Stratus, Cottontails,  Mammatus
• Lenticular, Cumulus, Nimbus
• Lenticular, Cumulus, Nimbus

What are the elements that create water?

• Hydrogen, Osmium, Oxygen (1 of each)
• Helium, Hydrogen, Oxygen (1 of each)
• Holmium, Hassium, Osmium (1 of each)
• 2 Hydrogen and 1 Oxygen

Out of the three basic parts of the water cycle. What is the most important?

• Precipitation
• Evaporation 
• Condensation 
• All of the above

What part of the water cycle includes clouds and there formation?

• Evaporation
• Transpiration
• Surface Runoff
• Condensation 

Which of these is  the part of the water cycle  where  water is released from clouds in the form of rain, freezing rain, sleet, snow, or hail?

• Precipitation 
• Transpiration 
• Condensation 
• Evaporation 

Which of these is the part of the water cycle where water vapor cools on dust particles and forms water droplets. It is key in the formation of clouds?

• Condensation 
• Transpiration 
• Evaporation 
• Precipitation 

Which of these is the part of the water cycle where  moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere?

• Evaporation 
• Condensation 
• Surface Runoff 
• Transpiration 

Which of these is the part of the water cycle where water is converted to water vapor, by heat from the sun, and it rises into the atmosphere?

• Surface Runoff
• Evaporation 
• Condensation 
• Precipitation  

Which of these is part of the water cycle where water, from rain, snowmelt, or other sources, that flows over the land surface downhill towards rivers?

• Surface Runoff
• Transpiration 
• Condensation 
• Evaporation