evaporation
Evaporation can occur at many temperatures. This topic is part of Physics within Science & Nature. This page currently draws on 18 supporting questions, with answers and bonus facts available below.
evaporation trivia questions
Evaporation changes a liquid into what?
Answer: Gas
Bonus fact: Liquid molecules escape into the gas phase.
Does evaporation occur only at a liquid's boiling point?
Answer: No
Bonus fact: Evaporation can occur at many temperatures.
Why does sweating cool the body?
Answer: Evaporation removes heat
Bonus fact: Higher-energy molecules escape, lowering average thermal energy.
An evaporation pond uses sunlight and air to remove what?
Answer: Water
Bonus fact: Water evaporates and dissolved solids remain behind.
Evaporation ponds are commonly used to concentrate what from saline water?
Answer: Salts
Bonus fact: Salt works often use shallow evaporation ponds.
Why are evaporation ponds usually shallow?
Answer: To maximize surface area relative to volume
Bonus fact: More exposed surface speeds evaporation.
An electric fan cools people mainly by moving what?
Answer: Air
Bonus fact: Moving air increases evaporation from skin and improves convective heat loss.
A ceiling fan makes a room feel cooler mainly because it increases what process from the skin?
Answer: Evaporation
Bonus fact: Airflow speeds evaporation of perspiration, making skin feel cooler.
What irrigation method delivers water slowly near plant roots through tubing?
Answer: Drip irrigation
Bonus fact: Drip systems reduce evaporation and target root zones.
High humidity makes heat waves more dangerous because it slows what cooling process?
Answer: Sweat evaporation
Bonus fact: Evaporation is a major way the body loses heat.
Why do modern dishwashers often use very hot final-rinse water?
Answer: To aid sanitation and drying
Bonus fact: Hot rinse water helps kill microbes and promotes evaporation.
What process cools the body when sweat evaporates?
Answer: Evaporative cooling
Bonus fact: Evaporation removes heat from the skin.