The Great Spring Investigation

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Across
  1. 1. A spring that is hard to stretch is very _____.
  2. 5. The tool we use to measure a spring's length.
  3. 6. To squeeze a spring and make it shorter.
  4. 7. To stretch a spring and make it longer.
Down
  1. 1. This coiled object stores energy when it changes shape. (
  2. 2. A push or a pull on an object.
  3. 3. A spring returns to its original _____ after being stretched.
  4. 4. We add this (using slotted weights) to the spring to apply a force