Temperature Conversions
Convert -50 Celsius to Kelvin
223.15 K
How many sig figs?
121,000,000
What is the SI unit for mass
grams
81 km to m
81,000 m
Define length.
What is the base unit for length?
distance between two points
meter (m)
Convert 32 F to C
0 C
0.00102400
6
A student finds a rock on the way to school. In the lab he determines the volume of the rock is 22.7 mL, and the mass is 39.943 g. What is the density of the rock?
1.7596 g/mL
205,000 mm to m
205 m
Define mass.
What is the base unit for mass?
amount of matter in an object.
grams
86 F
When multiplying two numbers, your answer should have the same number of sig figs as the multiplier with the bigger or smaller number of sig figs
smaller
136.297 g
0.123 kg to cg
12,300 cg
Define precision.
The degree to which a series of measurements agree with one another.
Convert 212 F to K
373 K
Answer with correct sig figs
1.58 + 10.0
11.6
Pure gold has a density of 19.32 g/cm3. How large would a piece of gold be if it had a mass of 318.97 g?
16.5098 cm3
15, 225 mg to kg
.015225 kg
Define qualitative and quantitative data. Give an example of each.
Qual: data based on qualities
Ex: blue shirt, made out of cotton
Quant: data based on quantities
Ex: temperature, 5 buttons
Convert 337 K to F
147 F
Answer with correct sig figs:
500/34.5
10
A cube has a mass of 28 g and is measured 4 cm on each side. What is the density of that cube?
0.4375 g/cm3
7.3 ks to ds
73,000 ds
What is the difference between observations and inferences?
Observations are based off of senses and inferences are based off of perceptions.