Everything bad is good for you

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Across
  1. 1. Physical activity that you do to make your body stronger and healthier.
  2. 3. Making you feel excited, interested, or full of energy.
  3. 5. Lacking intelligence or common sense, making poor decisions or mistakes.
  4. 9. Something that is difficult to understand.
  5. 11. Being smart, able to learn, understand, and solve problems easily.
  6. 12. The study of how people think, feel, and act.
  7. 13. A new device or idea that someone has created.
  8. 14. What is actually happening.
Down
  1. 2. The study of the natural world through observation and experiments to understand how things work.
  2. 4. Synonym for sickness or disease
  3. 6. A person who has a lot of knowledge or skill in a subject.
  4. 7. How heavy something is, measured in units like pounds or kilograms.
  5. 8. Being in good physical or mental condition.
  6. 10. Substances that protect your body from damage.