Measurement

용수철 저울

Spring scales

Spring scales The spring scale is a tool that measures the mass and gravity of an object using the spring’s elastic force. Gravity is proportional to the mass of the object, and…
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아르키메데스의 원리 Archimedes Buoyancy 2

Archimedes Buoyancy 2

Why is the submerged volume important to understand buoyancy? It is so famous that the 3rd century Greek philosopher Archimedes shouted “Eureka!” and ran out of the bathhouse in naked. (What did…
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Archimedes Buoyancy 1

Archimedes Buoyancy 1

Why is the submerged volume important to understand buoyancy? It is so famous that the 3rd century Greek philosopher Archimedes shouted “Eureka!” and ran out of the bathhouse in naked. (What did…
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분자량 계산기 Molecular Weight Calculator

Molecular Weight Calculator

If you click on the each elements, the sum of the molecular weights is output as the atomic mass is added. For example, if you want to know the molecular weight of…
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디지털 샘플링 Digital Sampling

Digital Sampling

Sampling is the process of recording the values of a signal at given points in time. The number of samples taken during one second is called the sample rate. By increasing the…
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시계 a Clock

a Clock

Clock This is a versatile watch. This can be used as a time monitor when discussing. This can be used as a monitor when measuring at constant intervals in the science room.…
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거리와 변위

Distance and Displacement

Distance One of the most used concepts is “distance”, which means the total distance actually moved. If you move in zigzag, the actual distance traveled can be quite long even if the…
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걸리버의 식사량 Gulliver's Nutrition

Gulliver’s Nutrition

Why did the King of Lilliput serve 1728 meals to Gulliver? This is because the volume of two objects that resemble each other in three dimensions is proportional to the cube of…
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