Shared Flashcard Set

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Chem:Matter
n/a
27
Chemistry
9th Grade
12/20/2011

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Cards

Term
What does the triple beam balance measure?
Definition
Mass
Term
What is the unit for the triple bean balance?
Definition
Grams
Term
What piece of equiptment is most accurate for measuring a liquid?
Definition
Graduated Cylinder
Term
What unit is used for a graduated cylinder?
Definition
ml
Term
Accuracy
Definition
How close you are to the given mark
Term
Precision
Definition
Degree of exactness
Term
How many mm are in a cm?
Definition
10
Term
How many cm are in a meter?
Definition
100
Term
What is the density of water?
Definition
1
Term
Is density a physical or chemical property?
Definition
Physical
Term
How many ml are in a liter?
Definition
1000
Term
Why does ice float in water?
Definition
The molecules spread off
Term
One ml=___cm3
Definition
1
Term
Mass
Definition
The amount of matter in an object
Term
oC to oK
Definition
+273
Term
Volume
Definition
Amount of matter an object takes up
Term
Derived Unit
Definition
When you divide 2 units and combine them
Term
How do scientists organize data?
Definition
Data tables and graphs
Term
What is the SI base unit for mass?
Definition
Kg
Term
Conversion Factor
Definition
A ratio of equivalent measurments that is used to convert a quantity in one unit to another unit
Term
Direct Proportion
Definition
When the ratio of two variables is constant
Term
Percent Error
Definition

Estimate-Actual

Actual

Times 100

Term
What is the SI base unit for length?
Definition
m
Term
What is the SI base unit for temperature?
Definition
k
Term
What happens to the test tube when an exothermic reation occurs?
Definition
It gets hot
Term
What Happens to a test tube when an endothermic reaction occurs?
Definition
It gets cold
Term
Density
Definition

M

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