SI Units
This is the name for the measurement system used in science.
What is the metric or international system (SI)?
In the phrase “King Henry Died By Drinking Chocolate Milk,” this is what the “By” stands for?
What is base unit?
(L, m, or g)
This is the rule for moving the decimal point in a number when converting it to scientific notation.
What is move it to the right if the number that you start with is greater than 1, left if less than 1?
There are this many sig figs in the number 30.0050
What are 6 sig figs?
This is the definition for precision
What is precision is how reproducible your measurements are?
This is the unit for mass in the SI system.
What is kilogram?
Convert 50 mL to cL.
What is 5.0 cL?
This is how you would express the number 0.00045 in scientific notation?
What is 4.5 x 10-4?
Are the zeros in the number 0.003 significant?
What is no, they are place holders?
This is the definition for accuracy.
What is accuracy is how close a measurement is to the true value?
This is the unit for temperature in the SI system.
What is Kelvin?
Convert 100 dag to dg.
What is 10,000 dg?
This is how you would express the number 356453.80 in scientific notation?
What is 3.5645380 x 105?
There are this many sig figs in the number 125.0 and 20
What are 4 sig figs and 1 sig fig?
This is why significant figures are important in scientific measurements?
What is they ensure accuracy and precision?
This is the unit for electric current in the SI system.
What is ampere?
Convert 1.0 km to m.
What is 1,000 m?
This is the rule for converting a number that's in scientific notation to ordinary notation.
What is look at the exponent, move the decimal to the right if it's positive and left if it's negative?
There are this many sig figs in the number 80.000
What are 5 sig figs?
Describe a scenario where a measurement is accurate and precise.
What is darts are thrown in the same area, they hit the bullseye?
This is the SI unit used when measuring the amount of a substance.
What is a mole?
These are the 6 metric (SI) prefixes.
What are: kilo, hecto, deca, deci, centi, milli?
This is how you would express the number 5.67 x 10-7 in ordinary notation?
What is 0.000000567?
These are the 4 sig fig rules.
What are:
1. Non-zeros count
2. Sandwiched zeros count
3. Trailing zeros (last zero the right of a decimal)
4. Place holder zeros do NOT count
A student measures a pencil’s length as 12.5 cm three times in a row. The actual length is 13.0 cm. Is the student accurate, precise, both, or neither?
What is precise but not accurate?