Frozen water = ice
Very expensive metal used in jewelry = can be platinum, rhodium, palladium, osmium, iridium, ruthenium
You breathe it = oxygen
Liquid from fruit = juice
A hard material used to make tools = iron or cobalt
Used to make sandwiches = slice of bread (some ingredients are mayo, butter and cream cheese
(Sorry but i dont really get the number five)
Used to write on = paper, whiteboard and chalkboard
(Did it help???)