"Hunger is the uncomfortable feeling caused by the body's need for food." What type of definition is this?

"In this survey, a household counts as hungry if it skipped at least one meal last week for lack of money." What type of definition is this?

"Exercise includes walking, swimming, dancing and cycling: any repeated activity that raises the heart rate." What type of definition is this?

"Air pollution is the presence in the air of substances that are harmful to people or the environment." What type of definition is this?

"In this report, air pollution is the mass of fine dust, in micrograms per cubic meter, recorded daily by the station." What type of definition is this?

"Air pollution comes in two kinds: outdoor pollution from vehicles and factories, and indoor pollution from cooking smoke and cigarettes." What type of definition is this?

"In this school study, a learner is tardy if the learner enters the classroom after the 7:30 bell." What type of definition is this?

"Tardiness is the habit of arriving later than the agreed or required time." What type of definition is this?

"Poor sleep shows itself in class: heavy eyelids, slow replies, forgotten instructions and a short temper by noon." What type of definition is this?

"In this test, physical fitness is the number of push-ups a learner completes in 60 seconds." What type of definition is this?

"Physical fitness is the body's ability to carry out daily tasks with energy and without undue tiredness." What type of definition is this?

"In this census, a family is poor if its monthly income falls below the official poverty threshold in pesos for its size." What type of definition is this?

"Poverty is the condition of lacking the resources needed for basic needs such as food, shelter and health care." What type of definition is this?

"Traffic congestion works like a clogged pipe: when more water enters than the pipe can carry, everything behind it slows and backs up." What type of definition is this?

"In this study, congestion is the number of minutes a bus needs to travel one kilometer of the highway at 5 p.m." What type of definition is this?

"Noise is unwanted sound that disturbs people or interferes with what they are doing." What type of definition is this?

"In this survey, noise is the sound level in decibels measured at the classroom door every hour." What type of definition is this?

"Teamwork keeps a group moving: it divides the work, catches mistakes early, and lets each member use their strongest skill." What type of definition is this?

"The word drought comes from an Old English word meaning dryness, and it has long named a season when rain fails." What type of definition is this?

"Dehydration is the condition in which the body loses more fluid than it takes in." What type of definition is this?

"In this clinic study, a patient is dehydrated if body weight drops by more than three percent within 24 hours." What type of definition is this?

"Recycling covers several streams: paper, glass, metal and plastic, and each stream is collected and processed differently." What type of definition is this?

"In this research, screen time is the total minutes a phone's own usage log records for the learner each day." What type of definition is this?

"Bullying is repeated aggressive behavior that uses a real or perceived imbalance of power to harm another person." What type of definition is this?

Three definitions of fever are given. Which one is the operational definition?

Three definitions of a study habit are given. Which one is the conceptual definition?

Three definitions of a healthy diet are given. Which one is the expanded definition?

Three definitions of soil fertility are given. Which one is the operational definition?

Three definitions of class participation are given. Which one is the conceptual definition?

Three definitions of friendship are given. Which one is the expanded definition?

Three definitions of savings are given. Which one is the operational definition?

Three definitions of plant growth are given. Which one is the operational definition?

Three definitions of literacy are given. Which one is the conceptual definition?

Three definitions of a crowded classroom are given. Which one is the expanded definition?

A school wants to find out whether learners wash their hands properly before lunch. Which operational definition fits that investigation?

A class wants to find out which section produces the least food waste at lunch. Which operational definition fits that investigation?

A teacher wants to find out whether learners get enough sleep on school nights. Which operational definition fits that investigation?

A barangay wants to find out whether its new pump gives safe drinking water. Which operational definition fits that investigation?

"Coffee began as a wild shrub in Ethiopia, reached Arabia by the 1400s, and was planted in the Philippines in the 1700s." How is this term developed?

"Letters fall into types: personal letters to family, business letters to firms, and letters of inquiry that request information." How is this term developed?