A girl looked into a bucket she was going to use to carry feed to her horse and saw that the bucket was not empty. She examined the contents of the bucket, and she observed that the contents had a certain volume that did not change. The contents also had no definite shape, but they took the shape of the bucket. Look at the sentences about the state of the contents of the bucket. Choose the words to finish the sentences. The contents of the bucket were in a Choose... state. If the contents were heated up enough, the contents would change to a Choose... state.