'Life On Earth'

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Across
  1. 1. Grammar (Past Tense): Yesterday, the lion ______ all night. (Past tense of sleep) (5 letters)
  2. 4. Nature: Water that flows from the mountains to the sea. (5 letters)
  3. 7. Definition: A large area of land covered with trees and plants. (We have many in Malaysia!) (6 letters)
  4. 8. Definition: The salty water that covers most of the Earth. (5 letters)
  5. 9. Animal: This large grey animal has a long trunk and big ears. (8 letters)
Down
  1. 2. Animal: A slow animal with a hard shell on its back. (6 letters)
  2. 3. Grammar (Superlative): The blue whale is the _______ animal in the world. (Superlative of big) (7 letters)
  3. 4. Action: We must ______ paper, plastic, and glass to help the Earth. (7 letters)
  4. 5. Grammar (Adjective): The sun is ______ than the moon. (Comparative of hot) (6 letters)
  5. 6. Grammar (Pronoun): That book belongs to me. It is ______. (4 letters)