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The Comet Encke Tail Disruption Event
In this comet tail disruption worksheet, students solve 7 problems using two images from NASA's STEREO satellite showing the breakup of the comet's tail. Students analyze the diagram and use the scale to solve the problems about time,...
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Modeling the Keeling Curve with Excel
In this modeling the Keeling Curve worksheet, students use given data beginning in 1960 to create a mathematical model for the changes in atmospheric carbon dioxide over time. Students manipulate the equation to predict the carbon...
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Hard Boiled
In this algebra worksheet, 9th graders investigate what the best method is to time the 15 minutes required to boil an egg. They use two hour glass with different time measurements to answer this question.
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Sunshine Math-- 5
In this math review activity, students solve 8 varied problems that include adding mixed numbers, money, decimals, elapsed time. and a math puzzle.
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Sunshine Math- 3 Mars, III
In this math applications worksheet, students solve 8 varied problems that include: elapsed time, basic operations, money, patterns and reasoning.
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Math Word Problems
In this solving story problems activity, students multiply, add, subtract, fill in numbers before and after, find elapsed time, and count value of coins. Students solve 10 problems.
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Maglev Train
In this statistics learning exercise, students collect data on train time using speed and time. They differentiate between the upper and lower bound of their data. There are 7 questions on 2 pages.
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Euler's Method
In this Euler's method worksheet, students use Euler's method to determine one-second time intervals in a rate problem. They explore functions to estimate rate changes in small time intervals. This two-page worksheet contains...
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Bug Race
In this motion worksheet, students compare two graphs showing a bug's distance traveled over time. Students calculate the average speed of the bugs and determine which bug was traveling at a constant speed. This worksheet has 1 short...
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The Mysterious Hexagon on Saturn!
In this Saturn worksheet, students use a photograph of a hexagon feature on Saturn to solve three problems. These include finding the time it takes for the jet stream to complete one circuit around the hexagon, to find the size of the...
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Word Problems from the Football Match
In this math worksheet, learners solve 10 word problems pertaining to the sport of English football (soccer). Included are money, elapsed time, addition and subtraction operations. Note: This is best suited to UK students; money is...
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Moving Magnetic Filaments Near Sunspots
In this sunspots worksheet, students observe two images taken by a solar observatory over a certain amount of time. Students determine the changes in the pictures and then calculate how fast and in what direction the particles are...
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Real Life Math Word Problems: Reading a Bus Schedule
For this math worksheet, students solve 12 real life math word problems pertaining to bus schedules and elapsed time. This page is from the UK and the cities and towns are from that region.
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Worksheet 2 - Instantaneous Velocity
In this distance worksheet, students determine the distance between two objects, find the average velocity of an object, and define instantaneous velocity. This two-page worksheet contains six two-step problems.
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2007 U.S. National Chemistry Olympiad Part II
Eight multi-step chemistry problems, including analyzing a titration, writing equations, predicting products and limiting reagents, calculating concentrations of ions, and using stoichiometry to solve for unknowns in reactions make up...
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2008 U.S. National Chemistry Olympiad Part I
In this chemistry Olympiad worksheet, students solve sixty multiple choice questions on a variety of chemistry topics from finding molarity of solutions to calculating products of reactions. Students are given graphs, equations, reaction...
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2008 U.S. National Chemistry Olympiad Part III
For this chemistry olympiad lab worksheet, chemists are required to design two experiments. In one, they design an experiment to identify seven solutions given to them in pipettes. In the other, they design an experiment to determine the...
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2000 U.S. National Chemistry Olympiad Part II
In this chemistry olympiad problem solving worksheet, chemistry pupils solve eight problems on a variety of topics including periodic trends, phase changes, ionization reactions, catalysts and titrations.
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1999 U.S. National Chemistry Olympiad Part II
A variety of topics including reaction rates, combustion reactions, periodic trends, and ionization reactions are included in this exam. Test takers also practice calculating empirical and molecular formulas of compounds.
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2000 U.S. National Chemistry Olympiad National Exam - Part I
The National Chemistry Olympiad exams are comprehensive tests covering an entire year of chemistry concepts. You can use them as practice for competing in the challenge, or simply as a review, or as an actual final exam for your general...
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2001 U.S. National Chemistry Olympiad Part I
Sixty multiple-choice questions test on a variety of first year chemistry subjects. In order to succeed, exam takers must be competent with properties of elements, stoichiometry problems, gas laws, bond dissociation, and types of...
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2001 U.S. National Chemistry Olympiad National Exam Part II
Only eight problems are on this competitive national chemistry exam. It required the balancing of chemical equations, solving stoichiometry questions, and more. This is part two of three of the national exam. Also available is a local...
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2002 U.S. National Chemistry Olympiad National Exam - Part I
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
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2004 U.S. National Chemistry Olympiad Exam Part II
In this National Chemistry Olympiad test, junior chemists answer eight problem solving questions on a variety of topics. These include calculating molarity of solutions, determining rates of reactions, calculating decay and discussing...
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