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The card stays in place because of air pressure. When the glass is inverted, the water creates a seal against the card, preventing air from entering. The air pressure pushing up on the card is greater than the force of gravity pulling it down, keeping the card in place.

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1y ago

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What makes a card stay up when you turn a glass upside down?

When you place a card on top of a glass and quickly invert it, the air pressure inside the glass is higher than the pressure outside. This pressure difference creates an upward force that holds the card in place until the pressure inside the glass equalizes with the pressure outside.


HOW TO COOL DOWN HOT GLASS?

To cool down hot glass, you can place it on a heat-resistant surface and allow it to cool naturally at room temperature. Avoid sudden temperature changes, as this may cause the glass to crack. Additionally, you can slowly introduce the hot glass to a cooler environment, such as placing it on a wooden surface or in a box filled with insulating material.


What happens when an egg is place in glass half-filled with water?

An egg placed in a glass half-filled with water will sink to the bottom if it is fresh, as the density of the egg is higher than that of water. However, if the egg is not fresh and has started to go bad, it may float due to the accumulation of gases inside the shell.


What makes a coaster placed over the rim of a glass of water stick even when you invert it?

The air pressure keeps the water from falling out of the glass. The atmospheric pressure i.e. the air pressure outside the glass is greater than the water pressure inside the glass so it holds the coaster onto the glass.


How do you turn a glass full of water upside down without spilling it?

One way to turn a glass full of water upside down without spilling it is to place a piece of cardboard or a small plate over the mouth of the glass, then flip the glass upside down while holding the plate/cardboard in place. Once the glass is upside down, carefully remove the plate/cardboard to reveal the water remaining in the glass.

Related Questions

What makes a card stay up when you turn a glass upside down?

When you place a card on top of a glass and quickly invert it, the air pressure inside the glass is higher than the pressure outside. This pressure difference creates an upward force that holds the card in place until the pressure inside the glass equalizes with the pressure outside.


Where do you place the water glass?

You place the water glass on the right of the plate in the "corner" of the place setting.


What is the English name for a souvenir that's like glass filled with water and snow like things and any famous place in a country?

a snow globe


What material is typically used in place of glass in a door?

Safety glass, such as tempered or laminated glass, is often used in place of traditional glass in doors for increased durability and security.


HOW TO COOL DOWN HOT GLASS?

To cool down hot glass, you can place it on a heat-resistant surface and allow it to cool naturally at room temperature. Avoid sudden temperature changes, as this may cause the glass to crack. Additionally, you can slowly introduce the hot glass to a cooler environment, such as placing it on a wooden surface or in a box filled with insulating material.


What happens when an egg is place in glass half-filled with water?

An egg placed in a glass half-filled with water will sink to the bottom if it is fresh, as the density of the egg is higher than that of water. However, if the egg is not fresh and has started to go bad, it may float due to the accumulation of gases inside the shell.


What happens when you place a lime on a glass of water?

When you place a lime on a glass of water, the lime releases its juice into the water, adding flavor and a hint of citrus to the drink.


How do you invert in the game cyclo maniacs 2?

try doing a tick tack and a wheelie at the same tie but staying in one place


What does Entranced mean?

the place you go into enter a place


What have taken the place of glass valves in radios?

transistor


Where the glass castle took place?

kill its head


What makes a coaster placed over the rim of a glass of water stick even when you invert it?

The air pressure keeps the water from falling out of the glass. The atmospheric pressure i.e. the air pressure outside the glass is greater than the water pressure inside the glass so it holds the coaster onto the glass.