Does light travel forever? As long as it doesn’t get absorbed by something, then yes, light will continue to travel indefinitely. However, due to the expansion of the universe that light wave will get stretched out along with the space it travels through, becoming lower in frequency and energy. Is darkness a form of light? […]
Can a mirror start a fire?
Can a mirror start a fire? The likelihood is very, very slim, however; you have the right kind of mirror, it actually can occur,” says Chief Solomon of the West Columbia Fire Department. He says concave mirrors can cause the fires. Can mirror set fire? It started after “sunlight on a mirror caused curtains to […]
What is the best definition of temperature?
What is the best definition of temperature? temperature. [ tĕm′pər-ə-chur′ ] A measure of the ability of a substance, or more generally of any physical system, to transfer heat energy to another physical system. The temperature of a substance is closely related to the average kinetic energy of its molecules. What is temperature short answer? […]
What is the sound of a gun firing?
What is the sound of a gun firing? Gunfire characteristics A typical muzzle blast generates a shock wave with a sound pressure level (SPL) of 140 dB or louder. A whip-like “snap” or “crack” caused by the sonic boom that occurs as a projectile moves through the air at supersonic speeds. What sound does a […]
What will the Falcon 9 rocket from SpaceX be used for?
What will the Falcon 9 rocket from SpaceX be used for? Falcon 9 is a two-stage rocket designed from the ground up by SpaceX for the reliable and cost-efficient transport of satellites and SpaceX’s Dragon spacecraft. How many times has Falcon 9 been reused? Elon Musk, SpaceX’s founder and CEO, has said the newest version […]
What are chances of seeing northern lights?
What are chances of seeing northern lights? Monitoring over many years the average chance of seeing the Northern Lights over a 4 night trip to Abisko is around 83%. What is the process that leads to the aurora borealis australis? This ethereal display – the aurora borealis or aurora australis, the northern or southern lights […]
What is the deepest sea on earth?
What is the deepest sea on earth? Pacific Ocean How deep can we go underwater? 35,858 feet Where is the deepest body of water in the world? What is the deepest lake in Florida? Lake Okeechobee Which is the deepest lake in Africa? Lake Tanganyika How deep is the Black Sea? 7,257′ Are there sharks […]
Which is bigger an ecosystem or a biome?
Which is bigger an ecosystem or a biome? A biome is even bigger than an ecosystem. A biome is a large geographical area that contains distinct plant and animal groups which are adapted to live in that environment. There can be many different habitats in a biome. What is the important of biome? Biomes play […]
What 2 elements did Marie Curie discover?
What 2 elements did Marie Curie discover? And Marie was proven right: in 1898 the Curies discovered two new radioactive elements: radium (named after the Latin word for ray) and polonium (named after Marie’s home country, Poland). What are 5 facts about Marie Curie? 5 facts about Marie Curie, chemist, physicist, and Nobel legend She’s […]
What do the three apparitions symbolize?
What do the three apparitions symbolize? Lesson Summary Here, Macbeth encounters three apparitions: a severed head, a bloody child, and a royal child holding a tree. Each of them respectively represents Macbeth himself, his childish naivete, and Malcolm’s offensive from the Birnam Wood. How does the second apparition come true? What does the 2nd Apparition […]