kjkoutsouros 8 years ago ReplyReply is too late to help you but this is for anyone else in the future that may need any ideas. In my sixth grade class we had to draw out a floor plan of a house and then build it. We used balsa wood which works perfectly and used hot glue to put it together. We even had fake money and bills we had to pay. I don't know what building a house has to do with science though.