Curated OER
Estimating Errors in Chemistry
Estimating Errors in Chemistry is a detailed handout that illustrates the importance of calculating the percent error when working in the chemistry lab. There are no actual problems to solve, just notes and examples of calculations. Hand...
Curated OER
Error/Uncertainty Analysis Worksheet for ___________________
This worksheet is meant to be used in laboratory experiments for which there is an accepted value that pupils are attempting to discover. It asks them to compare their results to commonly accepted values and then to calculate the percent...
Math Worksheets Land
Percent Error and Percent Increase - Independent Practice Worksheet
Give your learners a small taste of the business world by calculating percent error and percent increase. The resource provides several practice problems to give your mathematicians practice setting up the ratio to convert to percents....
Math Worksheets Land
Percent Error and Percent Increase - Guided Lesson
When prices and numbers change, can you calculate by how much? Here is a learning exercise that introduces the idea of percent change and percent error to calculator how much change the information goes through. Use the worked-out...
Math Worksheets Land
Percent Error and Percent Increase - Matching Worksheet
Calculating percent change is a handy tool to understand sales, discounts, and other numerical changes we come across. Here, activity practices percent change and percent error with a variety of problems to let your learners see how it...
Curated OER
Calculating Errors of Measurement
In this errors in measurement worksheet, students answer four questions to show their understanding of errors when taking scientific measurements. They determine the percent error in each problem.
Curated OER
Finding Percentages
Here is an approach to calculating percent with 16 practice problems to solidify the skill. Two examples demonstrate dividing by 100 to get one percent and then multiplying by the percentage in question to get the solution. Learners find...
Noyce Foundation
Percent Cards
Explore different representations of numbers. Scholars convert between fractions, decimals, and percents, and then use these conversions to plot the values on a horizontal number line.
Curated OER
Taking Measurements at Home
In this measurements worksheet, students find their weight, height, width and depth of their bodies at home using equipment around their homes. They use the proper number of significant figures to record their answers and they find the...
Curated OER
Determining the Enthalpy Change of a Reaction
For this enthalpy of reactions worksheet, students use a known amount of copper (II) sulphate solution and an excess of zinc powder to calculate the enthalpy change of the reaction. Students measure the temperature change over the course...
Teach Engineering
Swinging Pendulum
Get into the swing of things. Pupils use a pendulum to demonstrate the conversion of potential energy to kinetic energy and back. After measuring the speed of a pendulum and compare it to the calculated theoretical speed, they determine...
Curated OER
Ratio, Rates and Percentages
In this ratio, rates and percentages worksheet, 8th graders solve 22 various types of problems related to ratios, rates and percentages. They first write ratios in lowest terms and describe each of comparison stated. Students also solve...
Curated OER
Measurements and Their Uncertainty
In this measurements worksheet, students fill in 10 blanks, determine if statements are true or false, match 6 terms with the appropriate definitions, and solve 2 problems. Topics include converting to scientific notation, identifying...
Curated OER
Percent of Change
In this algebra activity, students convert between percents and decimals. They calculate sales tax, discounts and relative errors. There are 4 questions with an answer key.
Curated OER
Calorimetry Lab
In this calorimetry lab, students apply the information read about a calorimeter to conduct a scientific investigation. Students record their data in a chart. Students use the information from the chart to calculate specific heat of...
Noyce Foundation
Pizza Crusts
Enough stuffed crust to go around. Pupils calculate the area and perimeter of a variety of pizza shapes, including rectangular and circular. Individuals design rectangular pizzas with a given area to maximize the amount of crust and do...
Noyce Foundation
Mixing Paints
Let's paint the town equal parts yellow and violet, or simply brown. Pupils calculate the amount of blue and red paint needed to make six quarts of brown paint. Individuals then explain how they determined the percentage of the brown...
Curated OER
Penny Lab
In this percent composition worksheet, young scholars carry out an experiment to determine the percent of zinc in a penny. They write a balanced equation for the chemical reaction they performed with the penny and hydrochloric acid.
Virginia Department of Education
Sales Tax and Tip
Don't forget to tip your server. Future consumers learn how to calculate sales taxes and tips. Pairs use actual restaurant menus to create an order and determine the total bill, including taxes and tips.
Teach Engineering
Machines and Tools (Part 2)
Which pulley system will give us a whale of a good time? Teams compare the theoretical and actual mechanical advantages of different pulley systems. They then form a recommendation for how to move a whale from an aquarium back to the ocean.
Teach Engineering
Energy and the Pogo Stick
Let your class bounce to examine the concept elastic potential energy. Individuals bounce on a pogo stick in order to calculate its elastic potential energy. Groups then compare the elastic potential energy to the gravitational potential...
Curated OER
Kepler's Laws-Worksheet #1
In this Kepler's laws worksheet, students solve 8 problems using Kepler's laws to find the eccentricity of the planet's orbit, to determine the average distance of Haley's comet from the sun and to determine Kepler's constant for each...
Curated OER
What Can We Measure About Chemicals?
In this measuring chemicals learning exercise, students investigate measurements of an aluminum slab including the length, width, height, mass, volume and density. They do the same for a piece of aluminum foil and they compare their...
Curated OER
Hess' Law Data Sheet
In this Hess' Law worksheet, students write their data and calculations from the lab they performed on Hess's Law. They calculate the heat of reactions per mole of substances used and calculate the theoretical heat of reaction and...