P Flashcards

1
Q

The passing of time is measured by

A

Something changing

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2
Q

What is the arrow of time

A

Describes time passing by changing from order to disorder

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3
Q

What is an entropy

A

Is a measurement of disorder of time beams us that entropy increases

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4
Q

What is increasing in the universe

A

Enyropy

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5
Q

What age of the universe

A

13.8 billion years old

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6
Q

Speed. Of light

A

300,000mls

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7
Q

Speed of earth around the sun

A

67000mph

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8
Q

Can anything travel faster than light

A

No

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9
Q

What is a light year

A

The distance light travels in a year

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10
Q

What distance is the next star

A

4.3 light years away

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11
Q

George lemalre did what

A

Pros Moses that the universe was expanding

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12
Q

What did Edwin Hubble do

A

He proved George was correct

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13
Q

Hubble found out what else

A

Galaxy’s are moving always form us

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14
Q

If a galaxy is further away doe it move faster

A

Yes

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15
Q

What is the Big Bang

A

How the universe begins

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16
Q

What are quarks

A

The first particles made after it

17
Q

Name all 6 quarks

A

Up,down,bottom,top,charm,strange

18
Q

What are protons and neutrons made from

A

Quarks

19
Q

What is negative and positive proton or neutrons

A

Proton - positive
Neutrons- neutral
Electrons necative

20
Q

The atoms are what

A

The building blocks for an element