Exam 1 Flashcards
“cm” stands for what?
Edited by Mr. B
F 1.2-5
centimeter
Centi- is the prefix, -meter is the base unit (Seconds, meters, liters, grams, etc.)
What are the SI units
B1.2-2
Meters, Kilograms, seconds
What does a percent error equation tell?
D 1.2- 10
The percent your guess for a measurement was off by.
What does the M in the mnumonic (KHDUDCM) stand for?
F 1.2-6
Milli
Scientific noation must be
Edited by Mr. B
C
A number 1-9.99999999…
C
What is pH paper?
Edited by Mr. B
C
Special type of paper that changes color when dipped in liquid
Tells you how acidic or basic a solution is
What does it mean to be precise?
Edited by Mr. B
c5
Consistency of a measurement. Getting the same number every time
Archer hitting the same spot, very close to eachother. May or may not also be accurate
What are the three typed of glasswear?
Flask, Graduated Cylinder, Beaker
What is a spring scale?
A spring scale is a tool that measures the weight or force applied to it by an object. It has a spring inside that stretches more or less depending on the weight.
What are the 2 units of measurement?
B 1.2
SI and Imperial units of mesurement.
What is a Graduated Cylinder?
D1.2-
Tall, narrow container used to measure the volume of liquids accurately. It has markings on the side to show how much liquid is inside.
What is scientific notation for
making big numbers manageable
c5
What are the imperial units
B1.2-2
pound
foot
seconds
what is precision
D 1.2 - 9
precision: how consistent your answers are
precision is like hitting the same spot multiple times
If PH paper is in water, will it be acidic or alkaline?
Neither, right in the middle
C 1.3 -5
what is accuracy
D 1.2 - 9
how close your measurements are to the true value
accuracy is like hitting a bullseye
What is a variable?
F 1.3-7
A factor that can be changed in an experiements.
What is a Hot Plate
B 1.3-4
A Hotplate is a electric heating device. It is a flat suface like a plate.
It is Hot and It is A plate….
What is Quantitative data?
D1.3-9
Numberical data
what is an expirimental group
D 1.3-8
the group affected by the variable
the coke with mentos in it
Describe a beaker
A7: 3 - 1
Cylindracal wide container with a beak
What does Qualitative Data use?
D1.3-9
Uses words/descriptions.
what is a controlled group
D 1.3-8
the group with no experimental treatment
the coke with nothing in it
What does a thermometer show?
A thermometer shows the temperature in degrees Celsius or Fahrenheit
Metric Ruler
A straight tool used to measure the length of objects in centimeters and millimeters.
Quantitative data measures what?
A1.3-9
Numerical things such as the height of a building or the width of a dimension.
(Add Clarifier)
Describe a erlenmeyer flask
A7: 3 - 1
cone shaped container with a flat bottom
Add Footnotee
What do you collect when you collect data?
information/observations
What is quantitive data?
numerical.
(measured hight in each fountain,amount of time it took to treach the hight etc.)
a numerical measurement
What is a Experimental Group?
D1.3-8
The group that actually recieves the experimental treatment.
What is the Control Group?
D1.3-8
The group that does not receive the experimental treatment.
