Since term is temporary coverage it costs a lot less than permanent life insurance which provides guaranteed lifetime protection.
The shorter the "term", the lower your cost. So, a 5 year term life policy would cost less per year than a 10 or 15 year term life policy.
Term life plans may be available for a term of 5, 10, 15, 20, 25 or 30 years.
Learn more about finding cheap term life insurance policies.