Atmosphere/Weather

Which layer of the atmosphere contains ozone molecule, which protect the Earth from harmful UV rays 

• Troposphere
• Stratosphere
• Mesosphere
• Thermosphere

Water vapor is found mostly in what layer of the atmoshpere?

• Troposphere
• Stratosphere
• Mesosphere
• Thermosphere

What gas in our atmosphere provides us with protection from dangerous UV rays?

• Nitrogen
• Water Vapor
• Ozone
• Carbon Dioxide

If there was a increase in Carbon Dioxide in our atmosphere, what might be the effect on Earth?

• No effect
• It would reflect some sunlight but absorb energy from the ground causing little change
• It would absorb more of the suns energy causing the atmosphere to heat up
• It would act as a blanket and keep heat energy from escaping, causing the atmosphere to heat up. 

Where did the oxygen in the Earth's atmosphere come from?

• Released by Volcanoes
• Produced by primitive animals
• It was formed when the Earth formed
• Produced by primitive plants and bacteria

Sunlight is the major source of energy for what?

• the water cycle
• the oceans tides
• volcanic eruptions
• tectonic plate movements

At which point in the water cycle does condensation occur?

• When rain falls to the ground
• When water seeps into the ground
• When clouds form in the atmoshpere
• When water goes up into the atmoshpere

A sailboat is sailing across a bay, where does the energy come from to fill its sails?

• The Earth's rotation
• The sun
• A motor on the boat
• The water

Which of these processes in plants plays a direct role in returning the water back to the atmosphere?

• Osmosis
• Photosynthesis
• Respiration
• Transpiration

In the water cycle, what is the process that causes the formation of clouds from water vapor?

• Evaporation
• Precipitation
• Radiation
• Condensation