Science Flashcards

1
Q

fluid

A

A fluid is any substance that can flow and take the shape of its container.

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2
Q

volume stays the same in

A

any container

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3
Q

gases are

A

fluids

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4
Q

gases fill their

A

entire containe

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5
Q

pressure

A

is the amount of force per unit area applied to an object’s surface.

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6
Q

What do all fluids apply to the objects they come into contact with?

A

Pressure

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7
Q

What is pressure applied on any object by a fluid related to?

A

The weight of the fluid.

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8
Q

What is the equation for pressure?

A

pressure = force times area

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9
Q

force

A

push or pull on a object.

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10
Q

What is the unit of measurement for pressure? How do you abbreviate it?

A

Pascal. Pa

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11
Q

According to this paragraph, how does a fluid apply pressure?

A

It applies it to perpendicular sides.

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12
Q

which direction does the water apply pressure to the object in the water?

A

Perpendicular sides of the object.

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13
Q

How does pressure change as surface area changes

A

When the force applied over a small area pressure is greater the when the same force is applied to a larger area.

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14
Q

atmospheric pressure

A

the ratio of the weight of all the air above you to your surface area.

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15
Q

What does kPa stand for? What does that mean

A

Kilo pascal they rae way bigger than a normal pascal

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16
Q

How does elevation affect atmospheric pressure?

A

The higher you are the less pressure, the closer to sea level the more pressure. You can go below sea level you have the most pressure.

17
Q

If 1 liter of water weighs more than one liter of oil, what does this mean

A

The water is more dense.

18
Q

What factors determine the density of fluids?

A

The masses of atoms or the molecules that make up the materials and the distance between them.