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Physical Science Notecards > sec 1 Alyssa > Flashcards

sec 1 Alyssa Flashcards

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0
Q

What is a liquid

A

They keep volume but change shape

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1
Q

What is a solid

A

It takes shape and has a definite volume

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2
Q

What is gas

A

Gas spreads wherever in all directions

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3
Q

What is plasma

A

No definite shape particles are broken apart

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4
Q

What is energy

A

Ability to do work

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5
Q

What is thermal energy

A

Kinetic energy of a objects atoms

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6
Q

What is evaporation

A

When a liquid changes into a gas

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7
Q

What is sublimation

A

When a solid changes into a gas

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8
Q

What is condensation

A

When gas changes to a liquid

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9
Q

What is a crystalline solid

A

Solid that is made of crystals

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10
Q

What is a amorphous solid

A

A solid whose particles aren’t arranged in order

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11
Q

What is surface tension

A

It allows objects denser than water to float

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12
Q

Kinetic energy

A

A moving objects energy

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13
Q

What is heat

A

Energy moved between two things that have different temperatures

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14
Q

What is endothermic change

A

A chemical reaction that has to have heat involved

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15
Q

What is exothermic change

A

Chemical reaction when heat is released

16
Q

Fluid

A

Not a solid atoms are free to move and act as a gas or liquid

17
Q

Buoyant force

A

Upward force on a object in floating on a fluid

18
Q

Pressure

A

Force exerted on a object

19
Q

Archimedes principle

A

States that the force on a object in a fluid is a force equal to the volume and weight of the fluid

20
Q

Pascal (Pa)

A

Si unit for pressure

21
Q

Pascals principle

A

States that fluid contains in a vessel that puts pressure of equality intensity in all directions

22
Q

Viscosity

A

Resistance of liquid or gas to flow

23
Q

Bernoulli’s principle

A

As the fluids velocity increases the pressure is to be said that is decreases

24
Q

Boyles law

A

States that for a gas to stay a constant pressure the volume increases and the pressure decreases

25
Q

Charles’s law

A

States that gas at a constant pressure the volume increase and te pasture decreases

26
Q

Gay-Lussac’s law

A

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

Physical Science Notecards (8 decks)

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