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physical science > chapter 3 notecards Tadym Mason > Flashcards

chapter 3 notecards Tadym Mason Flashcards

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Biology 101 flashcards
0
Q

What is a liquid?

A

An object which particles are closely packed, but can still slide past each other

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1
Q

What is a solid?

A

An object which particles have a fixed position

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2
Q

What is a gas?

A

Particles move freely

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3
Q

What is plasma?

A

A state of matter which starts as a gas and becomes ionized

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4
Q

What is energy?

A

The captivity to do work

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5
Q

What is thermal energy?

A

The KE of a substances atoms

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6
Q

What is evaporation?

A

The process a substance goes through from liquid to gas

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7
Q

What is sublimation?

A

The process where a solid goes straight to a gas

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8
Q

What is condensation?

A

The change of a substance from gas to liquid

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9
Q

What is crystalline solid?

A

Have an orderly arrangement of atoms and molecules

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10
Q

What is amorphous solid?

A

Contains atoms and molecules in no specific order

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11
Q

What is surface tension?

A

The force acting on the particles at the surface that causes a liquid to form spherical drops

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12
Q

What is kinetic energy?

A

The energy of motion

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13
Q

What is heat?

A

Causes temperatures to change, changing states of matter

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14
Q

What is endothermic change?

A

A solid that changes to a liquid by melting

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15
Q

What is exothermic change?

A

The most motion of particles must slow down, because energy is released from the substance as it changes

16
Q

What is a fluid?

A

A nonliquid state of matter where atoms and molecules can move past each other.

17
Q

What is bouyant force?

A

An upward force exerted on an object

18
Q

What is pressure?

A

The amount of force put on a surface

19
Q

What is Archimedes Principle?

A

The principle that states the buoyant force on an object is an upward force equal to the weight of the volume of a fluid that the object displaces.

20
Q

What is a pascal?

A

The SI unit for pressure.

21
Q

What is pascal’s principle?

A

The principle that states that a fluid in a container exerts pressure equally in all directions

22
Q

What is viscosity?

A

The rate at which liquid flows

23
Q

What Boyle’s Law?

A

The volume of a gas increases as its pressure decreases (marshmallow peep and shaving cream)

24
Q

What is Charles’s Law?

A

When you walk outside in the cold, the balloon deflates, and when you walk back inside where it’s warm, the balloon expands

25
Q

What is Gay-Lussac’s Law?

A

The pressure increases as the temperature increases. If a balloon is in the sun too long, it will continuously expand and pop. (Candle and water trick)

physical science (6 decks)

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