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If you put a straw into a glass of water the straw looks to be bent although nothing has physically happened to the straw?
When light travels from water to air, it changes speed and refracts, causing the appearance that the straw is bent. This phenomenon, known as refraction, is due to the change in speed of light as it moves from one medium to another.
What would happen if you put a straw in a cup of water?
The straw will displace the water, causing the water level inside the straw to rise slightly. When you suck on the straw, you create a vacuum inside it, pulling the water up into the straw and allowing you to drink it without tilting the cup.
How can you show that liquids transfer heat by process of convection?
-- Take a glass of water. Set it aside or put it in the fridge. -- Take another glass of water. Mix some food coloring into it, then put it in the microwave or in the oven for a short time. It doesn't have to boil, just warm it up. -- Put a straw down into the glass of cool, colorless water. -- Dribble some of the warm, colored water into the straw. The warm, colored water runs down inside the straw, and comes out on the bottom of the cool, colorless water. It just lays there for a few seconds, then it starts rising to the top, carrying heat with it. You can see exactly how it's moving, because wherever the warm water goes, the color goes. Now you can see how a pot of water gets heated through and through on the stove, and you can understand why we put the fire under the pot and not on top of it.
Why does a straw hold water if you put your thumb over top of it?
When a thumb is placed over the hole in the top of the straw, it seals the entry way for air. When the straw is pulled out of the water, it is to be noted that a drop or two of water falls out of the bottom but no more falls. This is because when the water droplets fall, this creates more space in the air pocket in the top part of the straw. WIth more space the pressure decrease in the air pocket. In addition, gravity is working on the water inside the straw, but these two forces do not outweigh the force of atmospheric pressure outside, as a result, the water stays within the staw.
Why water does not spill out from a straw if you close its mouth with a finger?
When you hold the mouth closed then it will spill out, but after you sucked it and put your finger in its mouth... that's a diffrent story. You see the finger traps the air for escaping, which makes the water more active, since its squished toghther.
Why does a straw fall out of a glass of coke?
What happens when you put a straw in a glass of Coke or any other carbonated beverate, is that bubbles of carbon dioxide form on the straw and cling to it, and since these are lighter than water, they tend to lift the straw up out of the Coke; when it is lifted high enough it will become unballanced and fall out of the glass.
How do you make a homemade themometer?
That's easy...all you have to do is get dye(any color will do) water, clear straw(any other color will not work) and a glass jarwith a sealing lid . Then you combined the water and dye together put it in the glass jar, punch a hole through the lid(has to be big enough for the straw and small enough so that air can't seep out)Then you push the straw through the hole ( if there is some extra space in the lid after the straw is in the hole put tape around the seeping part). then block the top of the straw and tape it up the put the themometer in the sun
Why doesn't water in an eyedropper move?
vacuum is what holds the water in place. it`s the same thing as when you put a straw into a glass of water, hold your finger tight over the end of the straw and then lift the straw out of the water, holding the water inside the straw until you remove your finger from the end. in the case of the eye dropper, the water is forced out when the bulb is squeezed. vacuum is the force at work in both instances holding the water.
If you put a straw into a glass of water the straw looks to be bent although nothing has physically happened to the straw?
When light travels from water to air, it changes speed and refracts, causing the appearance that the straw is bent. This phenomenon, known as refraction, is due to the change in speed of light as it moves from one medium to another.
How do you operate a water filter straw to purify water for drinking?
You can put the straw into the water and then suck, the water will come out filtered.
What happens to the level of water in the straw when you squeezed the bottle?
When you put a straw in a water bottle I think the straw stinks and then when you let go of breathing in the water bottle I think it increases and then after that I think when you boil water and then you put the straw in the bottle and put the boiling hot water in the bottle and then I think the straw is like cutting it thanks for reading this but I think it's the wrong answer sorry if it is
How do you put a hamster water bottle in a glass cage?
get a water bottle then poke a hole in the cap then put a straw though the cap and there you go !
What would happen if you put a straw in a cup of water?
The straw will displace the water, causing the water level inside the straw to rise slightly. When you suck on the straw, you create a vacuum inside it, pulling the water up into the straw and allowing you to drink it without tilting the cup.
Can you give an example of a sentence using the word refraction?
To refract is when a wave bends because it passes from one material into another. Here are some sentences.Rainbows are made when light refracts through raindrops.Your straw seems to bend in your glass because the light refracts.Sound will refract when it moves from air into solid matter.
What would happen if you put a drinking straw into a half-filled cup of water?
The straw would displace the water in the cup, causing the water level inside the straw to rise above the water level in the cup due to atmospheric pressure. The water would remain at a stable height as long as the straw remains in the cup.
When you put water in a glass you ---- it up Rhymes withpill and fall?
When you put water in a glass you fill it up.
When you put water in a glass you it up.?
You fill the glass up.
