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[View the accompanying Lesson on Heat & Specific Heat Capacity here.] [Download the accompanying PDF worksheet here.] Perform the following calculations, being sure to give the answer with the correct number of significant digits. A car with magnesium wheels is parked … Read More
[View the accompanying Lesson on Compound Unit Conversions here.] [Download the accompanying PDF worksheet here.] Perform the following calculations, being sure to give the answer with the correct number of significant digits. A certain medication is set to deliver through an … Read More
[View the accompanying Lesson on Significant Digits & Calculations here.] [Download the accompanying PDF worksheet here.] Perform the following calculations, being sure to give the answer with the correct number of significant digits. 8.010 × 41.907 993.4 ÷ 6.022 76.0 – 38.119 … Read More
[View the accompanying Heat & Specific Heat Capacity Practice Problems here.] Temperature vs. Heat Temperature – The average energy of individual particles in motion. For example, the temperature of a cup of coffee is the average energy of all of the … Read More
[View the accompanying Compound Unit Conversions Practice Problems here.] Compound Units Compound units are those composed of more than one unit. For example: miles/hour grams/mL kg∙m/s2 Each unit is converted independently using the standard unit analysis method. Example A motorcycle is … Read More
[View the accompanying Significant Digits & Calculations Practice Problems here.] Determining the Correct Number of Significant Digits After performing a calculation, we often obtain more digits than are warranted by the measurements that produced it. In order to determine the correct … Read More
[View the accompanying Lesson on Significant Digits & Measurements here.] Significant Digits & Rounding All numbers from a measurement are significant. However, we often generate nonsignificant digits when performing calculations. We get rid of nonsignificant digits by rounding off numbers. There are three … Read More
The Scientific Method The scientific method is a way of learning that emphasizes observation and experimentation to understand the world. This method came into common use during the 17th century. Prior to this time scientists still attempted to explain things, … Read More
[View the accompanying Lesson on Significant Digits & Measurements here.] [Download the accompanying PDF worksheet here.] How many significant digits does each of the following numbers have ? 42,784 cm 120 mi 9842.010 kg 0.0819 sec 0.000200500 ft 4300. lb 8.600°C 0.553092 … Read More
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