Science 8
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1
Pure substances that is purely made up of one kind of atom.
Element
2
Composed of more than one atom of certain element.
Molecule
3
Combination of two or more elements.
Compound
4
Observable characteristics that describes an object or a substance.
Property
5
Characteristics of matter that may be observed or measured without changing the chemical composition of a substance.
Physical Properties
6
Properties that depend on the amount of matter.
Extensive Properties
7
Do not depend on the amount of matter present.
Intensive Properties
8
A measure of the amount of space an object occupies.
Volume
9
The amount of matter in an object.
Mass
10
The dimensions or magnitude of an object.
Size
11
The force exerted by gravity on an object.
Weight
12
The measurement of something from end to end.
Length
13
The temperature at which a solid becomes a liquid.
Melting Point
14
The temperature at which a liquid turns into vapor.
Boiling Point
15
The mass per unit volume of a substance.
Density
16
The capacity of a material to allow the flow of energy, such as heat or electricity.
Conductivity
17
Pigment of substance.
Color
18
Smell of substance.
Odor
19
How matter reflects light.
Luster
20
How objects can be hammered into sheets.
Malleability
21
How matter can be stretched into thin wires.
Ductility
22
How matter can be scratched or dented.
Hardness
23
How liquids easily flow.
Viscosity
24
Feel of a substance when touch.
Texture
25
Ability to resist corrosion.
Durability
26
Ability to break apart or shatter easily.
Brittleness
27
Ability to resume its shape after being stretched.
Elasticity
28
Measure of the amount of energy in a substance.
Temperature
29
Ability to allow heat or electricity.
Conductibility
30
Observable changes in the appearance or physical property of matter while it does not change into new substance.
Physical Change
31
Characteristics that need a chemical reaction to be measured.
Chemical properties
32
Involves chemical reaction that result in the formation of new substance or products.
Chemical Change
33
Those that can easily catch fire.
Flammability
34
Lowest temperature at which a liquid can be ignited and mixed with air near it.
Flash point
35
Tendency of a liquid to vaporize.
Volatility
36
Caused by the chemical reaction between the metal and the moisture in the air.
Rusting
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