Science Flashcards

1
Q

Anything that has mass and takes up space.

A

matter

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2
Q

You mixed two liquids and a precipitate formed, what kind of change occured?

A

Chemical

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3
Q

Is a a rusting bicycle a chemical or physical change?

A

chemical change

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4
Q

Burning leaves a __________ change.

A

chemical

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5
Q

The state of matter in which a substance does not have a definite shape or volume.

A

gas

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6
Q

Mass, volume, weight are all what type of property?

A

extensive

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7
Q

Squeezing oranges to make orange juice a ______________ change.

A

physical

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8
Q

The amount of space matter takes up.

A

Volume

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9
Q

Dissolving sugar into water would be an example of a _________ change.

A

physical

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10
Q

Which state of matter is made of high energy ions and electrons?

A

Plasma

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11
Q

Which type of change can be reversed?

A

physical change

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12
Q

A change where one or more new substances are created.

A

chemical

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13
Q

The state of matter in which a substance has a definite shape and definite volume.

A

solid

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14
Q

The ability of a substance to dissolve is called _____________.

A

solubility

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15
Q

Density, melting point, boiling point:These may all be classified as _________ properties.

A

physical

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16
Q

Properties that depend on the amount of matter present.

A

Extensive

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17
Q

Baking a cake would be an example of a _________ change.

A

chemical

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18
Q

What kind of physical property is volume?

A

extensive

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19
Q

Is sour milk a chemical or physical change?

A

chemical change

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20
Q

Is food digested in the stomach a physical or chemical change?

A

chemical change

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21
Q

What kind of physical property is temperature?

A

intensive

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22
Q

A change that does not produce a new substance is called a ___________ change.

A

physical

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23
Q

Any characteristic of a substance that can be observed or measured without changing the substance’s identity.

A

Physical Properties

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24
Q

Is hammering wood together to build a house a chemical or physical change?

A

physical change

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25
Q

Cutting your hair would be an example of a ____________ change

A

physical

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26
Q

Is melting butter for popcorn a chemical or physical change?

A

physical change

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27
Q

What kind of physical property is color?

A

intensive

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28
Q

Characteristic of a substance that may be observed when it participates in a chemical reaction.

A

chemical property

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29
Q

Melting ice cream a _______ change.

A

physical

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30
Q

Freezing point is an example of ___________ property.

A

intensive

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31
Q

The 5th state of matter beyond solid.

A

Bose-Einstein Condensate

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32
Q

The ability of a metal to allow heat or electricity to pass through it.

A

conductivity

33
Q

You place an iron nail in a beaker of acid. It starts to bubble and produce a gas. What type of property is likely being demonstrated by the reaction?

A

chemical property

34
Q

Burning a candle is an example of a ___________ change.

A

chemical

35
Q

Properties that can be measured or observed only when matter undergoes a change to become an entirely different kind of matter.

A

Chemical Properties of Matter

36
Q

Dissolving sugar in water is an example of a ____________ change.

A

physical

37
Q

Roasting a marshmallow is an example of a _________ change.

A

chemical

38
Q

Reactivity is what type of property?

A

Chemical

39
Q

What do you call a change that produces something new?

A

chemical change

40
Q

Is spoiling food a physical or chemical change?

A

chemical change

41
Q

The state of matter in which a substance has a definite volume but no definite shape.

A

liquid

42
Q

The scientists who predicted about the 5th state of matter.

A

Satyendra Bose and Albert Einstein

43
Q

What kind of physical property is length?

A

extensive

44
Q

The formation of a precipitate signals a ________________ change.

A

chemical

45
Q

What kind of physical property is hardness?

A

intensive

46
Q

What kind of physical property is length?

A

extensive

47
Q

A change where one or more new substances are created.

A

chemical

48
Q

What kind of physical property is volume?

A

extensive

49
Q

Melting ice cream a _______ change.

A

physical

50
Q

Mass, volume, weight are all what type of property?

A

extensive

51
Q

You place an iron nail in a beaker of acid. It starts to bubble and produce a gas. What type of property is likely being demonstrated by the reaction?

A

chemical property

52
Q

The state of matter in which a substance has a definite volume but no definite shape.

A

liquid

53
Q

The state of matter in which a substance has a definite shape and definite volume.

A

solid

54
Q

Sir Nico noticed an increase of his height. This is an __________ property

A

extensive

55
Q

Photosynthesis is an example of a _____________ change.

A

chemical

56
Q

Anything that has mass and takes up space.

A

matter

57
Q

Properties that depend on the amount of matter present.

A

Extensive

58
Q

Corroding metal a ____________ change.

A

chemical

59
Q

The amount of space matter takes up.

A

Volume

60
Q

Ability to rust is this type of ____________ property:

A

chemical

61
Q

Properties of matter that can be measured or observed without changing the basic nature of the matter.

A

Physical properties

62
Q

The formation of a precipitate signals a ________________ change.

A

chemical

63
Q

The ability of a metal to allow heat or electricity to pass through it.

A

conductivity

64
Q

What kind of physical property is melting point?

A

intensive

65
Q

What do you call a change that produces something new?

A

chemical change

66
Q

Which type of change can be reversed?

A

physical change

67
Q

Is glass breaking a chemical or physical change?

A

physical change

68
Q

Reactivity is what type of property?

A

Chemical

69
Q

Extensive Properties

A

Volume
Mass
Size
Weight
Length

70
Q

Intensive Properties

A

Boiling Point
Color
Temperature
Luster
Hardness

71
Q

EXOTHERMIC REACTIONS

A

Water and Acid Reaction
Rusting
Freezing Water Into Ice
Campfire
Nuclear Fission

72
Q

is a chemical reaction that releases heat and has a negative standard enthalpy change.

A

exothermic reaction

73
Q

Endothermic Reaction Examples

A

Dissolving Salt in Water
Photosynthesis

Heat

74
Q

absorb heat from their surroundings and feel cold.

A

Endothermic reactions

75
Q

Chemical Change Examples

A

Burning wood
Digestion
Souring Milk
Rotting fruit
Baking a cake
Exploding Fireworks
Rusting metal
Cooking an egg
Using a Battery
Photosynthesis

76
Q

Physical Change Examples

A

Breaking Glass
Chopping Wood
Mixing Candies
Cutting Hair
Shredding Paper
Dry Ice Sublimation
Folding Paper
Breaking Egg

Melting Ice

Boiling Water

77
Q

Hand warmer

A

exothermic

78
Q

heat pads

A

Endothermic

79
Q

Photosynthesis

A

Endothermic