Curated OER
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.
Curated OER
Newton's Law of Cooling
Your Algebra learners analyze and solve an exponential equation in this popular, real-life model of the cooling of a liquid.
Illustrative Mathematics
Logistic Growth Model, Abstract Version
Here learners get to flex some serious algebraic muscles through an investigation of logistic growth. The properties of the constant terms in the logistic growth formula are unraveled in a short but content-dense activity. Moving...
Curated OER
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.
Curated OER
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...
Curated OER
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...
Curated OER
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...
Curated OER
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.
Curated OER
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.
Curated OER
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...
Curated OER
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...
Curated OER
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...
Curated OER
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...
Pennsylvania Department of Education
Build What I've Created
n this geometric lesson plan, students define and identify two dimensional shapes based on their attributes. They complete worksheets based on the geometric concepts.
Houghton Mifflin Harcourt
Unit 5 Math Vocabulary Cards (Grade 4)
A set of 49 cards can enhance fourth graders' math vocabulary. It provides a pair of cards on each sheet, one with the word printed in bold text, and the other with the definition of the word. Topics of the cards include mostly...
Curated OER
Volcanoes and People
Students discover that volcanic eruptions are geologic events that take place within the upper part and on the surface of the Earth's lithosphere. They explain how volcanoes are related to the Earth's lithosphere. They focus on the May...
Overcoming Obstacles
Clarifying Values
Encourage thoughtful decision making with a activity that highlights the importance of values. Scholars take part in a grand conversation, listen to stories, and make decisions based on their personal values.
Curated OER
Volcanoes!: The Mountain Blows its Top
Students observe two demonstrations to conclude why bulge developed on the north flank of Mount St. Helens and conclude that when the "cap" was removed the pressure inside the volcano was suddenly released causing the violent eruption.
Curated OER
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...
Curated OER
2004 U.S. National Chemistry Olympiad Part I
For 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...
Mathematics Assessment Project
Representing Trigonometric Functions
Discover the classic example of periodicity: Ferris wheels. Young mathematicians learn about trigonometric functions through Ferris wheels. They match functions to their graphs and relate the functions to the context.
Virginia Department of Education
Mineral Identification
What's the difference between a rock and a mineral? And what properties are used to identify minerals? The first installment of a five-part series on earth materials and processes prompts young scientists to identify a set of...
Virginia Department of Education
Weathering of Limestone
We all know limestone weathers, but what affects the rate of weathering? Young scientists investigate the physical and chemical weathering of limestone (chalk) through experimentation. First, they conduct trials with different-size...
Virginia Department of Education
Permeability and Porosity
Covering both permeability and porosity, scholars perform a hands-on experiment testing various soil types. The material includes a pre-lesson worksheet to help focus pupils on the task at hand.
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