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physical science > states of matter- chelsea > Flashcards

states of matter- chelsea Flashcards

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0
Q

What is a liquid?

A

Particles are more free and takes the shape of its container

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1
Q

What is a solid?

A

Particles are densely packed and make a hard substance

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2
Q

What is a gas?

A

Particles move freely and fills space

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3
Q

What is plasma?

A

Has no definite shape and particles are broken up.

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4
Q

What is energy?

A

The ability to do work

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5
Q

What is thermal energy?

A

Energy that comes from heat

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6
Q

What is evaporation?

A

Stage when liquid reach certain temperature and turn to a gas

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7
Q

What is sublimation?

A

When solids change directly to a gas

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8
Q

What is condensation?

A

When gasses turn back to liquids

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9
Q

What is a crystalline solid?

A

Solid that’s atoms are highly arranged

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10
Q

What is a amorphous solid?

A

A solid which its atoms are not organized in a definite pattern

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11
Q

What is surface tension?

A

Surface filmed caused by the attraction of particles

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12
Q

What is kinetic energy?

A

Energy that is in motion

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13
Q

What is heat?

A

Produced when molecules are moving very quick

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14
Q

What is exothermic change?

A

When energy is released in the form of heat

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15
Q

What is endothermic change?

A

System of reactants that Absorbs heat from surroundings.

16
Q

What a fluid?

A

Non solid matter and the molecules move freely around each other.

17
Q

What buoyant force?

A

The upward exerted on a object floating in a fluid

18
Q

What is pressure?

A

The amount of force exerted on a substance

19
Q

What is Archimedes’ principle?

A

The buoyant force of an object in a fluid is the same as the objects displacement.

20
Q

What is pascal?

A

The SI unit for pressure

21
Q

What is pascal’s principle?

A

Fluid in equilibrium exerts equal pressure in all directions

22
Q

What is viscosity?

A

Resistance of a liquid or gas to flow

23
Q

What is Bernoulli’s principle?

A

As speed of a fluid increases, the pressure decreases

24
Q

What is Boyle’s law?

A

States that for gas to stay a constant temperature, the volume of gas increases and the pressure decreases.

25
Q

What is Charles law?

A

States that gas at a constant pressure, the volume increases and temperature decreases.

26
Q

Gay-Lussac’s law?

A

The pressure of a gas increases the temperature increases if the volume of the gas doesn’t change.

physical science (9 decks)

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