Interactive Science Simulation

전자기파의 종류 Electromagnetic Waves

Electromagnetic Waves

Touch the screen to change the wavelength of the electromagnetic wave. Electromagnetic radiation refers to the waves of the electromagnetic field, radiating through space-time, carrying electromagnetic radiant energy. It includes radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma…
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미분 Differentiation 2

Differentiation 2

Measure the derivative value while moving the tilt measurement tool. You can change the shape of several mathematical functions by touching the screen.

변압기 Electric Transformer

Electric Transformer

Touch the screen to change the number of turns of the coil. What is the relationship between the number of coil turns and the voltage? * This simulation shows only the relationship between coil and voltage. What is the maximum…
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현미경의 뒤집힌 상 Inverted Image of Microscope

Inverted Image of Microscope

Move the preparat. Why does the image move in the opposite direction? Depending on the type of microscope, how is the direction of movement different? * Cell image source:

지평 좌표계 Horizontal Coordinate System

Horizontal Coordinate System

Touch the screen to move the position of the star. How many numbers do we need to indicate the position of the star? After some time, is this star in the same position or go elsewhere? What are the weak…
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태양의 일주운동 Diurnal Motion of Sun

Diurnal Motion of Sun

Diurnal Motion is the changing view of the sky seen as the Earth rotates on its axis. What is the change in the movement of the sun during one year? What changes will occur around us as the sun’s movement…
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달의 운동과 조석 Tides


Tides is the periodic rise and fall of the ocean surface due to the gravitational pulls of the moon and sun. Spring Tide is the highest high tide occurs during tide. Occurs when the Sun, Earth & Moon are in…
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푸코의 진자 Foucault Pendulum

Foucault Pendulum

* Earth globe photo credit: Foucault’s pendulum is a device invented by French scientist Leon Foucault to prove the Earth’s rotation In 1851. The fact that the Earth rotates has been known for a long time, but it is…
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원의 넓이 구하기 Area of Circle

Area of Circle

How to calculate the area of a circle If you cut the circles and put them on each other, they gradually become a shape close to the rectangle. At this time, the horizontal length of the rectangle becomes half of…
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도플러 효과와 적색 편이 Doppler Effect and RedShift

Doppler Effect and RedShift

Most of the distant galaxies are moving away from our galaxy. Only a fraction of galaxies like Andromeda are coming to us. Scientists have found these things simply by observing the universe. How did you find out?

금성의 시운동 Apparent Motion of Venus

Apparent Motion of Venus

All planets in the Solar System revolve around the Sun in a counterclockwise direction when one views them from the north pole of the celestial sphere. Mercury and Venus are inner planets in the Solar System. They are closer to…
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