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Biology > Units 13-14 > Flashcards

Units 13-14 Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Yellow triangle means…

A

Caution

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2
Q

Orange diamond means…

A

Warning

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3
Q

Red octagon means…

A

Danger

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4
Q

WHMIS:

A

Workplace Hazardous Materials Information System

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5
Q

MSDS:

A

Material Safety Data Sheet

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6
Q

MSDS identifies…

A

Chemical and Physical hazards

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7
Q

MSDS includes

A

Boiling point, Toxicity, Health effects, First Aid, and Spill and Leak Procedures

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8
Q

Physical Change:

A

Change to a substance in which the composition of the substance stays the same

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9
Q

Physical Change…

A

Freezing

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10
Q

Chemical Change:

A

Change in a substance that always results in the formation of a different substance or substances

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11
Q

Sterilization is…

A

Any process that kills micro-organisms

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12
Q

Salting:

A

Is a method that preserves meat and fish in a form of drawing

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13
Q

Fermentation:

A

Biochemical preservation

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14
Q

Metallurgy:

A

Science of producing metals

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15
Q

Gold was not used because…

A

It was to soft to work with

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16
Q

Annealing is…

A

The heating of copper before it is hammered

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17
Q

Artisole’s description was…

A

All matter was composed of combination of Fire, water, and air

18
Q

Democritus proposed that…

A

Matter was made up of particles that could not be divided into smaller pieces

19
Q

He called them Aromas meaning…

A

Invisible

20
Q

Alchemy was a combination of…

A

Science and Magic

21
Q

Atoms:

A

Smallest part of an element that still has the properties of the element

22
Q

Robert Boyle measured relationships between…

A

Volume and pressure of gases

23
Q

He concluded that gases are made up of…

A

Tiny particles that group together

24
Q

Antoine Lavoisier measured the masses of the…

A

Substances that reacted together and the substances produced in a chemical reaction

25
Q

Law of Conservation of Mass:

A

total mass of the reactants in a chemical reaction equals the total mass of the products

26
Q

John Dalton

A

Based his model of the atom on experiments he did in combining elements

27
Q

All matter is made up of small…

A

Invisible particles called atoms

28
Q

All atoms of different elements are

A

Identical in properties such as size and mass

29
Q

Atoms of different elements have…

A

different properties

30
Q

Atoms of different elements can combine in…

A

Specific fixed ratios to from new substance

31
Q

J.J. Thomson discovered the…

A

Electron

32
Q

Thomson was experimenting with beams…

A

of particles produced in a vacuum

33
Q

The beam was made of…

A

Negative charges

34
Q

Different elements contained…

A

Smaller particles that were identical

35
Q

His model stated that all atoms are made up of smaller….

A

Subatomic particles put together in different combinations put together in different combinations

36
Q

Suggested the the atom is a sphere of positive charge in which…

A

Negative particles are imbedded

37
Q

Ernest Rutherford worked with…

A

Radioactive substances

38
Q

Radioactive substances release…

A

Energy or charged particles

39
Q

Suggested that an atoms is mainly empty space through which the positive…

A

Particles could pass, but each atom had tiny, positively charged core

40
Q

Neils Bohr proposed that electrons surrounded…

A

The nucleas in specific energy levels by examining the light released by hydrogen atoms

41
Q

The Quantum Mechanical Model of the Atom uses a…

A

Mathematical probability to describe how electrons exists in atoms

42
Q

Electrons occupy the whole space all…

A

At once at different energy levels

Biology (19 decks)

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