Crazy Conversions
Dimensional Analysis and Sig Figs
Standard and Scientific Notation
Matter
Miscellaneous
100
1,800 mm to cm
What is 180 cm?
100
3.01 has this many sig figs
What is 3?
100
801,000 into scientific notation
What is 8.01 x 105?
100
A mixture of salt and water
What is homogenous?
100
According to the graph, at what temperature does 300 grams of sugar dissolve in water?
What is 60 degrees Celsius?
200
4.9 ks to s
What is 0.0049 s?
200
21 days in seconds
What is 1,814,400 s?
200
2,950,000 in scientific notation
What is 2.95 x 106?
200
This property of matter depends on the amount of matter present
What is extensive?
200
Factors that stay the same in an experiment so that the results are considered reliable are known as…
What are constants?
300
Convert 75 degrees Fahrenheit to degrees Celsius
What is 24 degrees Celsius?
300
0.00990 has this many sig figs
What is 3?
300
7.008 x 106 in standard notation
What is 7,008,000?
300
Chemical or Physical change? Dew on grass
What is physical?
300
Explain the difference between precise and accurate measurements
What is precise= consistent/specific and accurate= correct?
400
Convert 286 K to degrees Fahrenheit
What is 55.13 degrees Fahrenheit?
400
5,500 mm into yards
What is 6.01 yards?
400
5.04 x 10-4 in standard notation
What is 0.000504?
400
Chlorine is considered a
What is an element?
400
A team of scientists want to test if watching commercials makes kids eat more snacks when watching TV. They gather two groups of elementary school students. The first group watches 2 hours of TV with no food commercials. The second group watches 2 hours of TV with food commercials every 15 minutes. After, the scientists record how many goldfish the students ate during the time period.
List the independent variable, dependent variable, control group, and experimental group.
IV = whether or not kids watch food commercials
DV = amount of goldfish eaten
Control group = group without food commercials
Experimental group = group with food commercials
500
Convert 275 degrees Fahrenheit to degrees Kelvin
What is 408.15 K?
500
9,602 g into pounds
What is 21.17 lbs?
500
0.000000016 in scientific notation
What is 1.6 x 10-8?
500
A piece of plastic with a mass of 15 g is placed in a graduated cylinder. The water level rises from 32 mL to 52 mL when the plastic is added. Find the density of the plastic.
What is 0.75 g/mL?
500
Gold has a density of 19.282 g/cm3. If you have 118 g of it, the volume is
What is 6.12 cm3?