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Voss Test 1

Question /Term Answer/ Definition
Accepted Value correct value based on reliable references
Experimental Value value measured in the lab
Error Equation Accepted / Experimental
Percent Error Equation |Error| -------------------- X 100% = ? Accepted Value
Uncertainty error in measurement (person/ instrument)
Significant Digits All known numbers plus 1
When you have Counting and Exact Defined Items What do you have? Unlimited significant numbers
What are the 6 base units in the SI system? Length = Meters Mass =Kilograms Temperature =Kelvin Time = Seconds Luminosity Intensity = Candela Electric Current = Ampere
Measurement has... Number and Scale (Unit)
Examples of non-SI Units Calories and Celcius
SI Unit for Volume? cm3
1mL= ? 1 cm3
Volume increases as __________ increases. temperature
What is the difference between mass and weight? Mass = quantity Weight = force of gravity
Freezing water temperature in C 0C
Boiling water temperature in C 100C
What is the Kelvin formula? K= C + 273
What is absolute zero? K is absolute zero The temperature when there is no molecule movement
What is the energy SI Unit? Joules
What is an equivalent measurement? Two different things that equal the same amount
What is the definition of calorie? The amount of heat needed to raise one gram of water by 1C
Density decreases as the temperature increases because...? The volume increases
Created by: mtd1674