Plant growth and change

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Across
  1. 3. a sweet compound that contains energy for life
  2. 5. erosion when ice formations called glaciers slide down a mountain, picking up pieces of mountain with them
  3. 10. to make something
  4. 11. living things that produce their own food using photosynthesis
  5. 13. something that is necessary
Down
  1. 1. an area that receives some sunlight and some shade each day
  2. 2. Processes by which rock, sand, and soil are broken down and carried away (i.e. weathering, glaciation)
  3. 3. an area free of direct sunlight (no sunlight is found)
  4. 4. Plants use the sun's energy to convert water and carbon dioxide into sugar and oxygen
  5. 6. Dioxide A gas that is breathed out from humans. Also, this gas is used by plants in photosynthesis
  6. 7. a gas that is found in nature that both humans and animals need to breath in to survive.
  7. 8. 6 or more hours of direct sunlight daily
  8. 9. erosion when streams, river, and oceans cut into the land wearing away the soil and rocks moving them elsewhere.
  9. 12. erosion when wind moves sand, dust and soil from one place to another; can be limited by planting trees and other plants