Sig Figs
How many sig figs are in the number 6.7?
What is 2
Convert 250 cm to meters.
What is 2.50 m
What is the formula to solve for density?
What is Density = Mass ÷ Volume
Define accuracy in scientific measurements.
What is how close a measurement is to the true or accepted value.
What is my boyfriend's name?
Hayden
How many sig figs are in the number 301
A soda bottle holds 2.0 liters of liquid. How many milliliters is this?
What is 2000 mL
A block of wood has a mass of 200 g and a volume of 50 cm³. What is its density?
What is 4.0 g/cm³
Define precision in scientific measurements.
What is how close repeated measurements are to each other, regardless of the true value.
What are two of Ms. J's hobbies? (Have to be on the screen)
What is baking, running, being crafty, play the ukulele, watch tv, go shopping, traveling, listen to music & go to concerts
What is four
The mass of a paperclip is about 0.95 g. Convert this to milligrams.
What is 950 mg
A liquid has a density of 1.2 g/mL. If you have 250 mL, what is the mass of the liquid?
What is 300 g
A student measures the mass of a sample four times and gets: 5.2 g, 5.3 g, 5.2 g, 5.3 g. The true mass is 6.0 g. Are the measurements accurate, precise, or both?
What is precise, but not accurate.
What are two unique/adventurous things that Mrs. J has done before?
What is skydive, go to Europe, teach English to refugees, meet a president, parasailing, snorkeling, ran a half marathon
How many sig figs are there?
0.9814 + 147.95 + 238.001
What is 2 decimal places (386.93)
A marathon is 42.195 kilometers long. Convert this to meters.
What is 42,195 m
An irregularly shaped rock is placed in a graduated cylinder containing 40.0 mL of water. The water level rises to 55.0 mL. If the rock’s mass is 75 g, what is its density?
What is 5.0 g/cm³
Another student measures the length of a pencil four times and gets: 15.0 cm, 14.9 cm, 15.1 cm, 15.0 cm. The actual length is 15.0 cm. Are these measurements accurate, precise, or both?
What is both accurate and precise.
What is Ms. J's dog's name and age?
What is Buck
How many sig figs are there?
((0.713)(823)) / ((921.0)(35))
A car tire is inflated to a pressure of 205 kPa. Convert this pressure into Pa.
What is 205,000 Pa
A metal sample has a mass of 90 g. When placed in water, it displaces 30 mL. What is the density of the metal?
What is 3.0 g/mL
How do you calculate percent error?
What is
(|Actual Value - Experimental Value|) /
(Actual Value)
List 3 things Ms. J was involved in when she went to GHS (activities/extracurriculars)
What is Tennis, Show Choir, One Act, Track, Spanish Club, Yearbook, NHS, Service Club