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physical science > Chapter 3 PS > Flashcards

Chapter 3 PS Flashcards

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Biology 101 flashcards
1
Q

Atom

A

Smallest particle of an element

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2
Q

Molecules

A

Atoms combine and form molecules

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3
Q

Compound

A

2 or more atoms coming together to form something new

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4
Q

Cohesion

A

When molecules stick together

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5
Q

Adhesion

A

When water is attracted to other compounds

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6
Q

Brownian motion

A

Small particles are moving in a random zig zag motion and their speed is connected to their temperature

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7
Q

Diffusion

A

Occurs from high to low concentration due to Brownian motion

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8
Q

Osmosis

A

Diffusion across a semipermeable membrane

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9
Q

Amorphous

A

A disorganized structure to a solid

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10
Q

Elasticity

A

If you bend something and it comes back to orig shape

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11
Q

Plasticity

A

If it doesn’t come back to its orig shape when bent and is partially deformed

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12
Q

Shear

A

To cut

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13
Q

Torsion

A

Twisting, the ability to twist something

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14
Q

Capillary action

A

Demonstration of adhesive property of water

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15
Q

Equation for pressure

A

Force x area

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16
Q

Pascal/Pa

A

A unit of pressure named after Blaise Pascal

17
Q

Pascals principle

A

Pressures in a fluid press equally in all directions (gas or fluid)

18
Q

Boyles law

A

If volume goes down pressure goes up

19
Q

Charles law

A

If. Temperature goes up volume goes up. If you increase the temperature are you increase the volume

20
Q

Siphoning liquid

A

Atmosphere sucks water up

21
Q

Barometer

A

Used to measure air pressure

22
Q

Archimedes principle

A

The buoyant force is equal to the weight of water pushed away.

23
Q

Bernoulli’s principle

A

The pressure exerted by a gas or fluid, the pressure decreases as the speed of the fluid increasesso it’s like when the atmospheric pressure decreases on top when you blow on it and the bottom pressure wins and pushes the paper up

physical science (11 decks)

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