Article V explains the amendment process, which is different and more difficult than the process for making laws. When two-thirds of the Senate and two-thirds of the House of Representatives vote to change the Constitution, an amendment goes to the state legislatures for a vote.
Another way to use the fridge for brief cold stratification is to plant the seeds in individual jiffy pellets and put them in either a plastic covered container (such as for home baking little bread loaves) or in a store-bought greenhouse flat. Depends on how much room you have in your fridge.
Stratify dogwood seed to simulate winter. Place dogwood seeds in a zip-type plastic bag layered with moist peat moss. Punch three small air holes near the top of the bag. Store the seed in a refrigerator drawer at temperatures between 35 and 40 degrees Fahrenheit for about four months.