Carbon dioxide is a gas at room temperature, diamonds are solid, and I see no room... What is in order from least to greatest in density. Solid liquid gas. Gas is always more dense than any solid or liquid.
Fourth grade is the equivalent of 'Year 5' (ages 9â10) in England and Wales, Primary 6 in Northern Ireland and Primary 6 in Scotland - the sixth year of compulsory education in England, Wales, Scotland and Northern Ireland.
At the same age, Scottish and Welsh pupils are in their fourth year of compulsory education. In Northern Ireland pupils are in their fifth year of compulsory education. In England, the year of school that is the same age as 3rd Grade is Year 4, which is the fourth year of compulsory education. Most children start one year earlier however, in the Reception class.