In this calculations worksheet, students express numbers in scientific notation and determine the number of significant figures. Students find conversion factors to change units. This worksheet has 8 word problems.
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Calculating Your Ecological Footprint
You can lower your ecological footprint by recycling! Lesson four in this series of five has individuals, through the use of a computer, calculate their ecological footprints. Through discussions and analysis they determine how many...
7th - 9th Science CCSS: Adaptable
Chemistry Lesson: Mole Calculations I
Do your pupils already have knowledge of moles and mass? If so, this is the next step for the chemistry classroom. The video segment, while short in length, is filled with demonstrations on how to perform mole calculations involving both...
10 mins 9th - 12th Science
New Review Chemistry: What is pH—How to Calculate pH
Is it better to drink an acid or a base? An informative video explains what pH is and how to calculate it. As part of a larger chemistry playlist, it features both the Arrhenius and Bronsted-Lowry definitions. It also demonstrates...
9 mins 9th - 12th Science CCSS: Adaptable
Concentration Formula and Calculations
Does a concentrated solution or a diluted solution contain more particles? The 24th video in a 30-part series answers this question as an introduction to figuring concentration using the standard formulas. Through two different formula...
4 mins 9th - 12th Science CCSS: Adaptable
Calculating Masses in Reactions
How do we determine the amount of chemicals that power plants and cigarettes put into the air? The 17th video of 29 walks through how to calculate the masses involved in reactions. To finish the lesson, it highlights the five steps while...
5 mins 9th - 12th Science CCSS: Adaptable