take empty disposable plastic bottle of soft drink.take three nails and insert them on a side of bottle at different heights.fill in the bottle with water do not pull the cap on the water now remove the nails quickly and observe. water from which hole reach for farthest?you will notice that as the depth of the hole increase the water goes for farthestbecause of more pressure now repeat this process again by filling the bottle and requiring the cap on it. please give me understand this activity who give me understand I will mark Brainliest. also give me video
Answers
Answer:
Hlo
Explanation:
You se this video
The length of this video is 2 minutes and 58 seconds.
2:58
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Cool Science Experiments Headquarters
09-Apr-2020
Answer:
Materials:
- Plastic water bottle with a tight fitting lid, small nail, water
Procedure:
- Put a small hole near the bottom of the water bottle using the nail. Be careful! Push it through or tap it in with a hammer
- Put a small hole through the lid of the bottle with the nail (you will probably have to tap this through with a hammer, the plastic is thicker)
- Fill the bottle to the top with water, holding your finger on the hole on the side of the bottle
- Tighten the lid
- Do this next part over a sink!
- Cover the top with your thumb
- Remove your finger from the side of the bottle and wait a second
- Notice the water is not pouring out!
- Take your thumb off the top now so the water pours out
- Alternate putting your thumb back on the top of the lid hole and removing it
Explanation:
Did you notice the only time the water poured out of the bottle was when you weren’t covering the hole on the top? Isn’t that strange? There’s a hole there, why doesn’t the water come out? Shouldn’t gravity be pulling it down? There are different forces involved besides gravity. Air pressure is a strong force and it always acts in a certain way: High Pressure moves towards Low Pressure.
This basically means “more air” moves to “less air.” It is how wings cause flight, how spray paint cans works, how a plunger works, and much more! If there is a “vacuum” (a place with no air or less air than normal) then air will rush in to fill that void. So where does that happen in the Drip Drop Bottle?
When you cover up the lid to the bottle, the water is pulling down but that air up in the top of the bottle is becoming a vacuum. That means “low pressure.” The air pressure outside the bottle is higher, so it actually tries to push into the bottle through the bottom hole. In doing so, it keeps the water in!
When you release the hole on the top, there is no vacuum, so the water is free to flow out the hole into your sink.
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