High schoolers solve five problems including finding the cross sectional area of two bodies, determining the swept out volume of a moving body, finding the average particle volume of a body and determining the collision time for a body.

In this time intervals instructional activity, students solve 8 problems where they determine the time gamma-ray bursts last, the time black hole micro-flares are emitted, the time coronal mass ejections travel and the days between lunar...

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...

In this orbital period worksheet, students solve 2 problems about satellites and their orbits. They determine how many days it takes for two satellites to be in "opposition", they find the least common factor between their orbit periods...

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...

In this half-life worksheet, learners use a given table of half lives, mass, time and amount of original sample to solve for unknowns in nine given half-life problems.

In this solar flares worksheet, students observe a sequence of figures of a solar flare observed in 2003 from the Ramaty High Energy Solar Spectroscopic Imager satellite. Students solve 6 problems including finding the scale of each...

In this solar tsunami learning exercise, students 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...

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,...

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...

In this exothermic reactions worksheet, students read about how commercial hot meals are heated through the use of exothermic reactions. They graph data of temperature and time elapsed for hot meals and answer two questions about the graph.

In this Saturn learning exercise, 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...

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...

For this magnetic reconnection worksheet, students solve seven problems using the data and graphs from the THEMIS satellite constellations, which show a series of events triggered by a magnetic reconnection. Students interpret the data...

For this periodic functions worksheet, students use given data of the speed of a star and find the best fit periodic function that follows the trend in data. They determine the amplitude, offset phase and the formula for the angle. They...

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...

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...

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...

In this chemistry olympiad problem solving learning exercise, chemistry pupils solve eight problems on a variety of topics including periodic trends, phase changes, ionization reactions, catalysts and titrations.

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.

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...

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...

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...

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...