hosted by your favorite 8 th grade science teacher
TRANSCRIPT
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Hosted byYour favorite 8th Grade
Science Teacher
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MeasurementsMatter Vocab Mixtures
Phys & Chem Props/Changes
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Row 1, Col 1
How much space an object takes up…
VOLUME
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1,2
The basic particle of an element…
ATOM
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1,3
This is category of mixtureis unevenly mixed and its
individual parts can be seen…
Ex. soup, salad, and salsa
HETEROGENOUS
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1,4
A characteristic of a substance that can be observed
without changing it into another substance…
Ex. Color, state,
solubility, and melting point.
PHYSCIAL PROPERTY
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2,1
How much matter an object contains…
MASS
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2,2
A group of two or more atoms joined together by chemical bonds…
Ex. H2O, table salt, sugar
COMPOUND
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2,3
Fog, butter, toothpaste, and paint are examples of this kind of mixture…
COLLOID
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2,4
Alters the form of substance but does not change it
to a different substance…
Ex. Evaporating, dissolving, and breaking
PHYSCIAL CHANGE
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3,1
The amount of mass per unit of volume…
DENSITY
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3,2
Simplest substances that cannot be broken down by
chemical or physical means…
Ex. Hydrogen (H), Oxygen (O), and Iron (Fe)
ELEMENT
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3,3
A type of mixture with large particles that settle…
Can be easily separated…
SUSPENSION
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3,4
A substance’s ability to change into a different substance…
Ex. Flammability, electrolysis,
and rusting
CHEMICAL PROPERTY
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4,1
The formula for density…
MASS DIVIDED BY VOLUME
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4,2
Tells the elements and ratios of atoms
in a compound…
CHEMICAL FORMULA
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4,3
A homogenous mixture in which one or more substances dissolve
in another…
SOLUTION
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4,4
Produces one or more new substances through
a chemical reaction…
CHEMICAL CHANGE
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5,1
The formula for slope…
y2 – y1
x2 – x1
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5,2
Made up of only one kind of matter and has
definite properties…
PURE SUBSTANCE
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5,3
The scattering of light by particles in a mixture…
Suspensions and colloids
have this property…
TYNDALL EFFECT
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5,4
A type of change where energy is released…
Ex. Burning paper and
explosions
EXOTHERMIC CHANGE
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Final Jeopardy Question:An unknown substance has a
density of 7.87 g/cm3 and mass of 15.74 grams what is its volume?
Will it sink or float in water?
Show ALL WORK on white board
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VOLUME = MASS / DENSITYVOLUME = 15.74 g / 7.87 g/cm3
VOLUME = 2 cm3
•SUBSTANCE WILL SINK IN WATER
Final Jeopardy Answer:
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Final Jeopardy Question:
An unknown substance has a density of 0.85 g/cm3 and volume of
3.38 cm3 what is its mass?
Will it sink or float in water?
Show ALL WORK on white board
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MASS = DENSITY x VOLUMEMASS= 0.85 g/cm3 x 3.38 cm3
MASS = 2.873 g
• SUBSTANCE WILL FLOAT IN WATER
Final Jeopardy Answer: