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Suns Path and Seasons
Using a plastic dome to represent the hemisphere of the sky, your class is able to demonstrate the path of the sun at different points of the day and year. They use a protractor to record movement and answer questions about elapsed...
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Plan a Schedule
In this daily schedule worksheet, students analyze a chart that shows a schedule for events at a museum. Students plan a visit by making a schedule of events they would like in their own schedule.
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Calendar
In this calendar instructional activity, students learn to use a calendar to find the elapsed time using the dates in the word problems. Students solve six problems.
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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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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 activity, learners 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
In 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 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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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 Part I
In this chemistry worksheet, test takers answer 60 multiple choice questions on topics related to chemistry from balancing equations to calculating moles and molecules of compounds. They name formulas, they convert, they solve problems...
Illustrative Mathematics
Tides
A very simple example of a functional relationship between depth of water and time is shown here. In fact, it might be more useful to use a coastal tide book to better illustrate this real-world experience. Pupils are to count the number...
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Driving Directions
In this driving directions worksheet, 5th graders interpret a driving route from Yosemite National Park to Mount Saint Helens National Monument. Students answer five math word problems associated with the route.
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Variables and Expressions from Around the Cosmos
In this variables and expressions worksheet, students solve 7 problems using different mathematical formulae to find the length of Earth's day in the future, the distance to the galaxy Andromeda, the temperature of a gas cloud emitting...
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Measuring the Speed of a Solar Tsunami!
In this solar tsunami worksheet, learners are given three images of the progress of a Morton Wave on the sun. They solve six problems using the images to find the radius of the sun's disk, the scale of the image, and the time that passed...
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Hard Boiled
For 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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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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Maglev Train
In this statistics worksheet, 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
For 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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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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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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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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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...