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엑스트라

다음 중에서 하나라도 없다면 불이 타지 않겠습니다: 인화성물질, 산소, 그리고 점화 온도.

종을 밴 더 그래프 정전 발전기로 움직이게 합니다.

This experiment shows you how to draw water into an inverted glass using a few burning matchsticks.

국자를 사용하여 볼록 거울과 오목 거울의 특징을 보여줄 수 있습니다.

This experiment demonstrates the laws of physics behind a classic toy, the dancing ballerina.

Description: How can you get a spool out from under your bed if it has rolled under it?

The dissolution of HCl in water leads to a drop in pressure, which causes the water in the bowl to rush into the flask.

How can a pair of metal snakes keep on grooving along a spinning top toy?

석유 산업은 세계의 점점 커지는 석유수요를 만족시키려고 접촉 분해라는 방법을 쓰고 있습니다.

In this experiment, a simple balloon is used to model the principle of operation in hovercrafts.

If a wooden clown were to climb up two parallel sides of a rope, how would it do it? This video seeks to find out.

When you roll the paper cylinder away, it will soon roll back to you. Why does this happen?

When you punch several holes in a water bottle, the water flows out of the bottom hole the fastest. Why is that?

Let’s observe how milk fat is broken down using pancreatic lipase in the presence of phenolphthalein indicator.

물로 가든 찬 항가리를 통해 초점을 관찰합니다.

In this experiment, you’ll learn different ways of finding the centre of gravity of a sheet of cardboard.

This experiment explores the forces that act on objects during free fall.

This video explains how the Levitron top can hover in the air.

The image at the top of the ball remains upright despite the ball rolling forward.

This experiment uses two test tubes to demonstrate the surprising effects of atmospheric pressure.

The rattleback is a rigid, cigar-shaped object cut in half along its longitudinal axis.

How can you knock a matchbox out from under a glass of water without spilling it?

This experiment shows you how to create a silver flower with electrolysis by depositing silver from a silver nitrate solution.

In this experiment, a simple pulley system is constructed using a spool, some string and plastic bottles.