An ounce
A scientist was measuring  chemicals on a scale. He put a scoop of powder on the scale and recorded it. The number seemed too high to him. The scientist repeated this on a different scale. The second scale gave a much lower reading.
He put a scoop of powder on the scale and recorded it. A scientist was measuring  chemicals on a scale. The scientist repeated this on a different scale. The second scale gave a much lower reading. The number seemed too high to him.