How Do You Know It's Fall?

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Across
  1. 2. Another word for the season we call fall.
  2. 4. The time when people gather crops that have grown.
  3. 5. The flat, green parts of a plant or tree that can change color and fall in autumn.
  4. 7. To become different from how something was before.
Down
  1. 1. When animals travel to a different place, often because the weather is changing.
  2. 3. How hot or cold something is.
  3. 6. One of the four parts of the year: spring, summer, fall, or winter.