physical science crossword

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Across
  1. 3. The force of attraction between any two objects based on their mass and distance.
  2. 5. A substance made of two or more elements chemically bonded together.
  3. 6. The smallest unit of matter that maintains the properties of an element.
  4. 7. Energy that is stored in an object due to its position or condition.
Down
  1. 1. The rate at which an object's velocity changes over time.
  2. 2. The type of energy an object has due to its motion.
  3. 4. The speed of an object in a specific direction.