Do You Know Easy Science?

The definition of "sound emitted by rapidly expanding gases along the channel of lightning" best fits the science term "Thunder." Thunder is the loud noise that occurs after a lightning strike due to the rapid expansion and contraction of air surrounding the lightning channel. It is caused by the intense heat generated by the lightning, which causes the air to expand rapidly and create a shock wave that we perceive as thunder.

The definition "transport of water in all its states between earth, atmosphere, and the seas" refers to the process known as the water cycle. This cycle involves the continuous movement of water through the atmosphere, land, and oceans, including processes such as evaporation, condensation, precipitation, and runoff. The term "acetone" does not relate to the transport of water, while "heat transfer" and "heat engine" are unrelated to the movement of water specifically. Therefore, the best fit for the given definition is the science term "Water Cycle".

Wind is the air that flows in relation to the earth's surface. It is caused by the uneven heating of the earth's surface by the sun, which creates differences in air pressure. These pressure differences cause air to move from areas of high pressure to areas of low pressure, creating wind. Wind plays a crucial role in weather patterns and can vary in speed and direction. It is an important factor in determining climate and can have significant impacts on human activities and ecosystems.

The correct answer is Light-Year. A light-year is defined as the distance that light travels in a vacuum in one year. It is used to measure vast distances in space, as light travels at a speed of approximately 186,282 miles per second. This term is commonly used in astronomy to describe the distance between stars, galaxies, and other celestial objects.

The region between the orbits of Mars and Jupiter is called the Asteroid Belt. This is a region in our solar system where numerous small rocky objects, known as asteroids, are found. These asteroids vary in size and shape and are remnants from the early formation of our solar system. The Asteroid Belt is located approximately 329 million miles from the Sun and is an important area of study for scientists to better understand the history and composition of our solar system.

A warm front is the correct answer because it describes the leading edge of an advancing warm air mass. When a warm front approaches, warm air displaces colder air, causing the temperature to rise. This can result in the formation of clouds, precipitation, and a gradual change in weather conditions.

A whiteout refers to a weather condition where visibility is severely reduced due to blizzard conditions. During a whiteout, the surrounding landscape becomes completely obscured by blowing snow, making it difficult or impossible to see anything. This term is commonly used in meteorology to describe the phenomenon of near-zero visibility caused by snowstorms.

The correct answer is Wind Chill Index. The Wind Chill Index is a measure of how cold it feels outside when the effects of wind are taken into account. It takes into consideration both the air temperature and the speed of the wind to calculate the perceived temperature. This term specifically refers to the calculation of temperature that considers the effects of wind.

Doughnuts are not high in Vitamin C. They are typically high in sugar, unhealthy fats, and calories, but they do not contain significant amounts of Vitamin C.

A chain is a term used to describe a measurement of length that is equal to 66 feet or one-tenth of a furlong. It is commonly used in surveying and land measurement.

The term "decibel" is best defined as a unit of relative loudness. It is used to measure the intensity or level of sound. The decibel scale is logarithmic, meaning that each increase of 10 decibels represents a tenfold increase in sound intensity. This unit is commonly used in fields such as acoustics and telecommunications to quantify sound levels and compare the loudness of different sounds.

A "hand" is a unit of measurement commonly used in the horse industry to measure the height of horses. It is equivalent to 4 inches or 10.16 cm.

The correct answer is British Thermal Unit. BTU is a scientific acronym that stands for British Thermal Unit, which is a unit of measurement for energy. It is commonly used to measure the amount of heat needed to raise the temperature of one pound of water by one degree Fahrenheit. This unit is widely used in the field of heating, ventilation, and air conditioning (HVAC) to measure the heating or cooling capacity of systems.

The word "bale" is best defined as a large bundle of goods. This suggests that it refers to a tightly packed collection of items, typically wrapped in a protective covering. This definition is supported by the common usage of the word, particularly in relation to agricultural products such as hay or cotton, which are often compressed into bales for storage or transportation.

Stars are composed of hot gases and derive their energy from nuclear reactions, making them the best fit for the given definition. The other options, such as oceanic crust, ozone layer, and fathom, do not match the description provided.