The speaker explains that they will be conducting a large-scale experiment involving approximately 600-700 kilograms of salt and 3 tons of water, related to the concept of density. The experiment aims to create water with the same density as the Dead Sea, which is known for its high salt concentration, making it nearly impossible to drown in.
The speaker conducts several smaller-scale experiments to understand the concept of density. They demonstrate that an egg will sink in water due to its higher density, but will float when the water is mixed with salt. They also show that the density of different types of soda varies based on their sugar content.
The main experiment involves mixing salt and water to create a substance that will make water nearly impossible to drown in. The speaker calculates the amount of salt needed based on the volume of the water in the pool and the desired salt concentration in the Dead Sea. After adding the salt, they test the water by diving into it, demonstrating that it is now possible to float in the water instead of sinking. The speaker concludes by stating that it will take about 250-300 kilograms of salt to make a ton of water non-drownable, creating a safe pool for children, albeit with corrosive properties.
1. The experiment involves approximately 600-700 kilograms of salt and 3 tons of water, and is related to density.
2. The experiment will be conducted in several stages, starting with smaller-scale experiments.
3. The experiment involves putting an ordinary egg in salt water and then ordinary water. The egg does not sink in the salt water, but does in the ordinary water.
4. The experiment also involves putting different sodas in water. Each soda has a different sugar content, and the one with the most sugar sinks immediately.
5. The experiment will involve mixing salt and water. The aim is to create water that is impossible to drown in, due to the high salt concentration.
6. The deep tank of the pool used for the experiment is 72 centimeters wide, about 1 meter by 2.3 meters. This gives about 1.5 tons of water.
7. The goal of the experiment is to make approximately the same concentration of water as is found in the Dead Sea, which is approximately 350 grams of salt per liter of water.
8. The experiment involves pouring out 250 packs of salt into the water, which is about 250 kilograms of salt.
9. The experiment involves diving into the water after it has been salted. It is expected that it should be impossible to drown due to the high salt concentration.
10. The experiment concludes that it took 400 kilograms of salt to achieve the desired result in a 1.5-ton pool, which means that 250 kilograms of salt would be needed per ton of water to create a safe pool where a person cannot drown.