science Crossword Puzzle

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Across
  1. 2. The transfer of heat between two objects that are touching.
  2. 4. Made of three oxygen atoms, it is found in the stratosphere and absorbs UV rays from the sun and protects the Earth from UV radiation.
  3. 7. The layer of gas that surrounds the Earth. It is made of gas and held close to Earth by gravity
  4. 10. pressure, The amount of weight that the atmosphere presses down on Earth.
  5. 11. The transfer of heat through a gas or a liquid. Causes currents where the warm air/liquid rises and the cool air/liquids sinks.
  6. 13. warming, Gradual rising of Earth’s temperature.
  7. 15. The horizontal movement of air. The wind blows from areas of high pressure to areas of low pressure
  8. 16. Transfer of energy in the form of waves or rays. Only a kind of heat transfer that can travel through empty space. It is how the heat from the sun reaches Earth.
Down
  1. 1. The second layer of the Earth’s atmosphere. Airplanes fly in the lower part of the stratosphere and it is where the Ozone Layer is found.
  2. 3. An instrument that measures wind direction.
  3. 5. An instrument that measures wind speed
  4. 6. A band of wind that is always blowing. It is high up in the atmosphere. It moves fast between 120 -250 miles per hour. From at the boundaries between hot and cold air masses.
  5. 8. an instrument that measures atmospheric pressure; used in forecasting weather
  6. 9. greenhouse effect, The warming of the Earth’s surface by the air above it. “Greenhouse Gases” (carbon dioxide water vapor and methane) trap energy from the sun. It keeps the heat in; insulating the Earth.
  7. 12. A chemical used as a propellant in aerosol cans that depletes the ozone layer.
  8. 14. rain, Transfer of energy in the form of waves or rays. ONly kind of heat transfer that can travel through empty space. It is how the heat from the sun reaches Earth.