grade 8 lessons

• the act of getting married; the state of being married
• a person who is legally married to another person
• a person who is not married or has never been married
• to get married, to marry someone
• The mechanical advantage of a lever is the ratio of the input force to the output force.
• Power is the rate at which energy or work is done, measured in watts (W) or kilowatt-hours per second (kWh/s).
• to be engaged means to have agreed to marry someone, especially when they are already living together as if they were married.
• to propose marriage means to ask someone formally to become your husband or wife.
• to get engaged means to agree to marry someone, especially when they are already living together as if they were married.
• A simple machine that consists of a rigid bar pivoted at one end only, with an effort applied at some point along its length and a load suspended from the other end.
• To move something using a lever.