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Science > 3rd Test > Flashcards

3rd Test Flashcards

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Biology 101 flashcards
0
Q

Came up with modern method for writing the symbol for an element

A

Jon’s Jakob Berzelius

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1
Q

Mixture of tin and lead

A

Pewter

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2
Q

Discovered nitrogen

A

Daniel Rutherford

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3
Q

Discovered that static electricity was miniature lightning

A

Benjamin Franklin

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4
Q

Italian medical scientist who discovered that static electricity caused frog legs to twitch

A

Luigi Galvani

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5
Q

Mixture of copper and tin

A

Bronze

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6
Q

A process that prevents iron from rusting

A

Painting

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7
Q

Created te first electric battery

A

Alessandro Volta

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8
Q

Used electricity to separate oxygen from various elements and discovered many elements in this way

A

Humphrey Davy

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9
Q

The alkali metals made from ash

A

Are members of the sodium family, and have a silvery luster and conduct electricity and heat are soft, melt at a low temperature

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10
Q

The Royal Society was formed to

A

Communicate new ideas rapidly

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11
Q

Current electricity is due to the motion of

A

Electrons

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12
Q

Humphrey Davy invented a safety lamp for miners

A

He refused to patent so that miners could get it more quickly

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13
Q

Diamonds and graphite

A

Are two forms of carbon

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14
Q

Iron

A

Is a metal used by the Aztecs that fell from the sky

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15
Q

Reacts to the oxygen in water so fast that it ignites hydrogen making water burn

A

Potassium

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16
Q

Used to make soap, windows, salt and baking soda

A

Sodium

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17
Q

False science

A

Alchemy

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18
Q

The element necessary for

Combustion

A

Oxygen

19
Q

Shooting stars

A

Meteorites

20
Q

Sterling silver is ______ silver and _____ another metal

A

11/12, 1/12

21
Q

A block of ______ will float in mercury

A

Lead

22
Q

Synthetic diamonds are made by using great _______ and _________

A

Pressure and temperature

23
Q

_______ is the lightest gas

A

Hydrogen

24
Q

Robert Boyle gave is the modern definition of ________ which proved that alchemy was impossible

A

Element

25
Q

______ causes fires to burn well

A

Oxygen

26
Q

Most of the air is made up of ______

A

Nitrogen

27
Q

Often credited with discovering carbon dioxide

A

Joseph Priestly

28
Q

Famous scientist who defined the laws of gravity and was born the same year Galileo died

A

Isaac Newton

29
Q

Goodyear discovered vulcanized rubber when he

A

Heated sulfur with raw rubber

30
Q

The invisible college was

A

A gathering of experiments scientists

31
Q

Cavendish released the gas hydrogen by exposing metals to

A

Hydrochloric acid

32
Q

Cast iron, steel, and wrought iron differ only in the amount of this element in them

A

Iron

33
Q

Reacts to the oxygen in water so fast that it ignites hydrogen making water burn

A

Potassium

34
Q

Discovered hydrogen

A

Henry Cavendish

35
Q

In ancient times ________ was even more valuable than gold

A

Iron

36
Q

Burning is an example of _______ oxidation

A

Rapid

37
Q

__________ was an American scientist who saw a meteorite fall and began investigating

A

Benjamin Silliman

38
Q

Latin name for lead

A

Plumbum

39
Q

A negative characteristic of gold is that it’s ________

A

Soft

40
Q

Though _______ is poisonous it can be made safe by combining it with metal such as silver.

A

Mercury

41
Q

A metal is a solid material that is typically hard, shiny , __________ and capable of being drawn out into wire of thread

A

Malleable

42
Q

The most important compound using sulfur is ___________. It is used in car batteries and to clean metal before manufacturing

A

Sulfuric acid

43
Q

Alchemists believed that gold could be made by combining sulfur because it was _________ and lead because it was __________.

A

Yellow, heAvy

44
Q

One of the ten greatest scientists of all time is ________. He was a chemist who helped get science back on track.

A

Robert Boyle

45
Q

Robert Boyle made __________ out of phosphorous and sulfur

A

Matches

46
Q

When in the presence of oxygen, hydrogen is very ________

A

Explosive

Science (14 decks)

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