Fill in the Blanks water and matterOnline version questions about matter and water by Luz Álvarez Herrero 1 solid heat liquid liquid 99ºC solid gas Water is in a state at temperatures over 100º C . Water is in a liquid state between 1ºC and and water is in a state at temperatures below 0ºC . When you solid water , it changes into a liquid . When you heat water , it changes into water vapour . When you cool liquid water , it changes into a . When you cool water vapour it changes into a .