What is afebrilator?

When do you ovulate on 25 day cycle? Examples of natural and artificial light? Why doesn't the peristaltic pump work in reverse? One kilocalorie of heat energy will raise temp of water how many degrees celsius? What are good hockey science fair ideas? What happens when you put a chicken bone in vinegar? How fast does a tennis ball have to go to break tempered glass? Did the Greeks invent science? Do caterpillar preferred hot or cold conditions? Why does the phase change graph show a flat line during the phase change? Why does compost need to be hot? What is 1 degee Celsius? What does daily wash time mean re washing machines? What is the significance of a research report? Would be a matter of urgency? What is kalmanite? Is a relatively permanent change in knowledge or behavior that results from experience? Why is only 50 percent of the solar energy that reaches the outer atmosphere absorbed by Earths surface? What are apparatus used as in a laboratory to measure small amount of substances e.g. 1ml of water? Is thermal energy kinetic or potential?