Example

123456
Across
  1. 3. an electromagnetic wave of high energy and very short wavelength, which is able to pass through many materials opaque to light.
  2. 5. a written or printed work
  3. 6. a US cartoon, TV, and film character who develops special powers, such as great strength and the ability to cling to surfaces, after being bitten by a radioactive spider.
Down
  1. 1. a carnivorous mammal of the dog family
  2. 2. founded in 1636. It is the oldest American university.
  3. 4. he set up the Apple computer company in 1976 with Steve Wozniak and served as chairman until 1985