Science Chapter 7 Lesson 1 Vocabulary

123456789101112
Across
  1. 4. protects life on earth by absorbing UV rays from the SUn
  2. 7. hot layer because it absorbs solar radiation.
  3. 9. thin layer where temperature grows colder with increasing height
  4. 11. a downward force that the air exerts
  5. 12. Blanket of gases that surrounds Earth.
Down
  1. 1. layer above the troposphere. Warmed by ozone molecules that trap heat in the layer.
  2. 2. an instrument that changes in air pressure from day to day
  3. 3. molecule containing 3 atoms of oxygen. formed when ultraviolet radiation from the Sun split a regular oxygen molecule
  4. 5. out edge of the atmosphere. blends into outer space.
  5. 6. substance or material that is harmful to the ecosystem or living things.
  6. 8. sublayer of the thermosphere
  7. 10. densest layer that is closest to Earth's surface. Layer where our weather takes place.