Curated OER
WS 8.4 Percentage Problems
In this percentage worksheet, learners calculate percentages given various types of problems. They calculate percent of compounds in a solution, they calculate mass of compounds given percentages of solutions, and they percentages of...
Curated OER
Birds, Fractions and Percentages
Students study fractions, percentages, spreadsheets, and computers by watching and recording the number of species of birdsseen. They create a spreadsheet to record the results of their one month study.
Creative Chemistry
What is the Percentage of Copper in "Copper" Coins?
Whether in the UK or the US, the mass of the copper in a copper alloy penny can be determined. If you are in the US, note that on the lab sheet, a penny is identified as a "1p piece." The penny is dissolved by young chemists in nitric...
Curated OER
Molar Mass and Percentage Composition
In this chemical compounds worksheet, students calculate the molar masses and the percentage composition for the given compounds. This worksheet has 8 problems to solve.
Curated OER
Lab: Percent of Composition of KClO3
Students find the percent of oxygen in potassium chlorate. In this percent composition lesson plan, students heat a solution of potassium chlorate using a catalyst, manganese dioxide, to decompose the potassium chlorate and release...
Curated OER
2006 U.S. National Chemistry Olympiad Part III
In this chemistry Olympiad lab worksheet, students are given two lab problems to design experiments. Topics include determining the mass percentage of a given compound and determining an unknown metal using quantitative and qualitative...
Curated OER
Empirical Formula: From Percentage to Formula
Starting with definitions of empirical and molecular formulas, this slide show guides pupils through the ways to calculate and produce chemical formulas as percentages and molar ratios. A number of examples are given for viewers to try...
Curated OER
Percentage Composition
In this chemical compounds worksheet, students determine the empirical formula or the molecular formula for the compounds given. Students calculate percent composition. This worksheet has 10 problems to solve.
Curated OER
Relative Mass Formula, Atomic Formula, and Empirical Formula
After giving the definitions of the different compound terms and formulas, equations are provided to teach your chemists to calculate different values. Relative formula mass, atomic mass, and empirical mass are shown and explained with...
Curated OER
Weather Data - Percentages
In this weather worksheet, students calculate the percentage of weather conditions recorded over a month at three different locations. This worksheet has 12 problems to solve.
Curated OER
It Has Been Rubbish For Years
Students are presented with the problems of percentages and focus upon numbers in contrast to 100. They calculate problems with money and are engaged with the use of games as a teaching tool. Students also interpret data as presented in...
Curated OER
Atomic Mass, Formula Mass and Percentage Composition Calculations
In this elements worksheet, students calculate the relative formula mass and percentage composition calculations for given elements. This worksheet has 16 problems to solve.
Curated OER
Coal Supply and Demand
A hands-on simulation perfect for an economics instructional activity, young learners investigate the availability of different sources of natural energy (coal, natural gas, oil, solar, and nuclear) and how this availability affects...
Curated OER
Exam Review: Chemistry Calculations
In this chemistry calculations review worksheet, students solve 33 review problems about titrations, precipitates, pressure and volume of gases, combustion reactions, heat of combustion, molar concentrations and molecular formulas.
Polar Trec
Where is the World's Water?
Scholars discover the amount of the Earth's water in various locations such as the ocean, ice, the atmosphere, etc. They then make a model of the how much water those percentages represent. Finally, analysis questions bring the concepts...
National Institute of Open Schooling
Chemical Arithmetics
Substances with the same empirical and molecular formula must be differentiated by their structural formula. Part two in a series of 36 has pupils using chemical formulas to calculate how much of a compound is present in a given...
Curated OER
Explore Surface Types on a Journey Around Earth
Students explore satellite data. In this technology cross-curriculum math and world geography instructional activity, students locate specific map areas using a microset of satellite data. Students use technology and math skills to...
Curated OER
Mixtures, Percentage and Equation Stoichiometry
In this chemistry worksheet, students answer 2 problems on solution stoichiometry. They calculate the mass of products formed given a certain amount of reactant.
Curated OER
How Much Ocean?
In this ocean worksheet, students are given a map of the world and they predict the amount of water that covers the Earth's surface. They count the total number of squares on the given map that represent the water and they land and they...
Curated OER
Where's The Beef
Students create and conduct a survey in the community to evaluate the demographics of vegetarians in the community. They compile data, create graphs, calculate percentages, and draw conclusions about the survey data. Students create an...
Curated OER
Aruba Cloud Cover Measured by Satellite
Learners analyze cloud cover and compose written conclusions to a given related scenario. Students submit a letter of response and a report detailing their calculations and conclusions.
Curated OER
Our Solar System - Comparing Planetary Travel Distances
NASA presents a mini-unit on distances in our solar system. It incorporates scientific concepts of gravity, mass, density, and payload while your aspiring astronauts also employ mathematics skills. They calculate speed, they determine...
Curated OER
Chapter 2 and 3 Practice Worksheet - Formulas and Compounds
In this formulas and equations activity, chemistry apprentices write the chemical formulas given the names. They calculate percent composition, balance equations, and calculate the mass of a substance present in a fertilizer. This is a...
Virginia Department of Education
Partial Pressure
At some point, everyone has been under pressure—even Dalton! Explore Dalton's law of partial pressures with young chemists as they measure the volume of air extracted from a sample compared to its original volume. Class...