Science trivia

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• What is the most important reason climate differs with latitude?Atmosphere and weather
• Which unit is chiefly used for air pressure on a weather map?Atmosphere and weather
• Which instrument measures air temperature?Atmosphere and weather
• Which precipitation falls as clustered ice crystals?Atmosphere and weather
• What do we call cloud that forms close to the ground?Atmosphere and weather
• What do we call a very strong storm that develops over tropical seas?Atmosphere and weather
• Which of the following is not an element of weather?Atmosphere and weather
• What weather is generally most likely near the center of a low-pressure system?Atmosphere and weather
• Which front forms when a mass of cold air pushes in beneath warm air as it moves?Atmosphere and weather
• As a rule, air pressure falls as altitude rises.Atmosphere and weather
• Typhoons develop over warm tropical seas.Atmosphere and weather
• A front is the boundary where two air masses of different character meet.Atmosphere and weather
• The ozone layer is most developed in the troposphere.Atmosphere and weather
• Carbon dioxide is a gas with nothing to do with the greenhouse effect.Atmosphere and weather
• Which is one of the greenhouse gases that contribute most to global warming?Atmosphere and weather
• The gas that makes up the largest share of the Earth's atmosphere is oxygen.Atmosphere and weather
• Rain is precipitation that falls from cloud in solid form.Atmosphere and weather
• Air temperature is measured with a thermometer.Atmosphere and weather
• Weather means the average state of the atmosphere over a long period in one place.Atmosphere and weather
• A rainbow can appear when sunlight is refracted and reflected in water droplets in the air.Atmosphere and weather
• Which formula correctly relates a wave's speed v, frequency f, and wavelength λ?Waves and sound
• What is it called when an ambulance siren sounds at a different pitch coming toward you than going away?Waves and sound
• Which property of sound makes an echo come back when you shout in the mountains?Waves and sound
• What do we call sound too high in frequency for the human ear to hear?Waves and sound
• What does sound need in order to travel?Waves and sound
• Which physical quantity sets the pitch of a sound?Waves and sound
• What is it called when you shout at a mountain or a building and the sound comes back?Waves and sound
• Which phenomenon appears when sunlight is refracted, reflected, and dispersed in raindrops?Waves and sound
• Roughly what is the speed of sound in air at room temperature, about 20 degrees C?Waves and sound
• What is the unit of frequency?Waves and sound
• In air, light spreads more slowly than sound.Waves and sound
• When light reflects, the angle of incidence and the angle of reflection are equal.Waves and sound
• The speed of a wave is written as its frequency divided by its wavelength.Waves and sound
• When a sounding object moves toward an observer, the frequency the observer hears rises.Waves and sound
• When light passes from air into water, it generally slows down.Waves and sound
• Sound travels well even through a vacuum, where there is no air at all.Waves and sound
• The higher the frequency of a sound, the lower the note we hear.Waves and sound
• The larger the amplitude of a sound, the louder it generally sounds.Waves and sound
• Light can travel through a vacuum.Waves and sound
• Sound travels far faster than light.Waves and sound
• When water in a pot is heated, warm water rises and cold water sinks. Which mode of heat transfer is this?Thermodynamics
• Which quantity gives the heat needed to raise the temperature of one kilogram of a substance by one kelvin?Thermodynamics
• Which law states that energy may change form but is never created or destroyed?Thermodynamics
• Which change of state turns a solid into a liquid as it takes in heat?Thermodynamics
• Which equation gives the relation between the pressure P, volume V, amount n, and absolute temperature T of an ideal gas?Thermodynamics
• When you touch the handle of a hot pot, by which mode does heat pass into your hand?Thermodynamics
• What is the SI unit of thermodynamic absolute temperature?Thermodynamics
• Which physical quantity does a thermometer measure?Thermodynamics
• When water in a kettle is heated, the hot water below rises and spreads the heat. Which mode of transfer is this?Thermodynamics
• What is the SI unit of energy, heat included?Thermodynamics
• The Sun's heat reaches the Earth because the air of outer space carries it here.Thermodynamics
• The first law of thermodynamics is the law that heat must always flow in one direction only.Thermodynamics
• Convection is heat transfer in which nothing moves at all and the heat passes only through collisions between particles.Thermodynamics
• A black surface tends to absorb thermal radiation better than a white one.Thermodynamics
• Water has a fairly high specific heat, so its temperature changes relatively slowly for the same amount of heat.Thermodynamics
• A gas that expands and pushes a piston can do work on its surroundings.Thermodynamics
• Left alone, heat moves of its own accord from a colder body to a hotter one.Thermodynamics
• The higher the temperature of a substance, the smaller the average kinetic energy of its particles generally becomes.Thermodynamics
• Metal generally conducts heat better than wood.Thermodynamics
• At standard atmospheric pressure the freezing point of water is 0 degrees Celsius.Thermodynamics