Miscallenous
Name one piece of equipment we have used to measure liquid volume?
Graduated Cylinder or Erlenmeyer Flask
How many millimeters are in 1 meter?
1,000 mm
Convert 250 cm into meters.
2.5 m
The state of matter that has definite volume and shape
What is solid?
The formula for density
What is D = M/V?
A student breaks a beaker during lab. What is the FIRST THING YOU SHOULD DO?
TELL THE TEACHER IMMEDIATELY
Do not try to clean it up yourself
List 5 SI Base units for measurement, and what they are used for measuring: (Ignore Kelvin)
US. SYSTEM EXAMPLE: Foot = length
grams = mass
meters = length
Liters = volume
Time = Seconds
C = Celsius
A scientist measures an airport runway as 243,800 cm.
Convert this to km.
2.438 kilometers
What state of matter has a definite volume but no definite shape?
Liquid
If an object has a lower density than the substance its submerged in, it will _________.
What is float?
Where did Mr. Barber go to college?
Gonzaga University
Draw two dart boards:
Make one have more accurate, but less precise throws
Make the other have more precise, but less accurate throws
(4 throws on each dart board)
SEE Whiteboard
Mr. Wolf is barely 6 feet tall.
Use the picket fence to convert Mr. Wolf's height to centimeters.
3.28 feet = 1 meter
Round to nearest whole number
What is 182.88 or 183 cm
Matter that is made up of two or more different atoms bonded together.
What is compound?
Use the Density Triangle to write all three formulas to solve for each variable in density
EXAMPLE
? = ? x?
? = ?/?
D = M/V
M = D x V
V = M / D
the solute is the substance that gets dissolved
the solvent is the substance that dissolves the solute
EXAMPLE: SALT(solute) Water, (SOLVENT)
The boiling point of water in Celsius
The melting point of water in Celsius
The freezing point of water in Celsius
BP = 100 C
MP = 0 C
FP = 0 C
Mr. Barber took 172800 seconds to drive from Denver to San Francisco.
Convert 172800 seconds into days using dimensional analysis.
What is 2 days
Anything that has mass and takes up space is called…
Matter!
Which substance is the densest:
Sub 1: mass = 25 g, volume = 50 mL
Sub 2: mass = 15 g, volume = 50 mL
What is Substance 1
Why is centimeters cubed used for volume?
Be able to demonstrate with picture.
Responses vary
Which three countries do not use SI(Metric System) for measurement?
The U.S. , Myanmar, and Liberia
A car travels 60 miles/hour. Convert this to meters/second. ( (1 mile = 1609 m)
26.8 m/s
H₂O : Tell me
# of Atoms
How many different elements?
Molecule, compound or both?
3 atoms, 2 elements, one molecule and one compound
Volume is an example of this type of property.
Density is NOT an example of this type of property.
What is an extensive property?