Curated OER
Differentiate Elements, Compounds, and Mixtures
Learners examine the differences between elements, compounds and mixtures. Using diagrams, they compare and contrast atoms and molecules and describe various chemical reactions. They distinguish the differences between ionic and...
Curated OER
Creating the Model
Students comprehend what has been explored in the previous earthquake engineering design lessons, by putting their designs to the test.
They are given pairs a piece of paper, and an empty plastic bottle or can. Students stand the...
Curated OER
Calculating Areas of Rectangles
In this geometry worksheet, students calculate the areas of rectangles. They use the formula for area of a rectangle.
Curated OER
Applications of Properties of Quadrilaterals in the Coordinate Plane
Students explore the concept of quadrilaterals. For this quadrilaterals lesson, students use the slope formula, midpoint formula, and distance formula to justify that a given quadrilateral is a parallelogram.
Curated OER
Special Right Triangles
Students identify the different parts of a right triangle. In this geometry lesson, students use the Pythagorean Theorem to identify missing sides and angles of a right triangle. They work with irrational and rational roots.
Curated OER
Getting Familiar with Fractals
Students use the Internet to answer lab questions about fractals, and then construct fractals using the initial stage and iteration rule. They complete tables and generate rules for the "nth" term and create their own fractals.
Curated OER
Are We There Yet?
Students estimate the time needed by the Corps of Discovery to complete its expedition. They problem solve and estimate the distance covered by the Corps on its expedition. They compare their findings to the expedition's actual rates...
Curated OER
Using Math Concepts to Collect and Document Specimens
Students determine the length and width of leaf samples to the nearest millimeter and the circumference of trees. They participate in a discussion about the importance of collecting specimens carefully. They compile accurate...
Curated OER
Mechanical Science - Small Engine Operation
Students experiment with two- and four-stroke engines. They conduct experiments to determine how atmospheric pressure affects the engine's running capability. Further tests are conducted to asses proper llubrication and its affects on...
Curated OER
Understanding Zoning: Its use on the High Line in West Chelsea
High schoolers are introduced to zoning. Evaluating information and reading a land-use map is enclosed in this lesson. List new development projects that they could propose for a given area.
Curated OER
Concurrent Lines in Triangles
Learners explore the concept of concurrent lines in triangles. In this concurrent lines in triangles lesson, students work in groups to investigate properties of concurrent lines in acute, right, and obtuse triangles. Learners use a...
Curated OER
Clock Arithmetic and Cryptography
Students investigate modular clock arithmetic and cryptography. They perform basic operations in modular (clock) arithmetic and encode and decode messages using simple shift and affine ciphers.
Curated OER
Investigating Transformations Of Parent Functions
Pupils identify the basic transformations of parent functions. They use their graphing calculator to create a transformation booklet by folding a sheet of computer paper in half and stapling along the folded edge.
Curated OER
Thinking Like An Engineer
Pupils explore physics. They investigate the strategies used by an engineer to solve a problem. Students construct various models to solve the problem. They display their solutions and explain how they solved the problem.
Curated OER
How Effective is Perspiration at Cooling?
Students collect data on the cooling of water in two different test tubes, one that is wrapped in wet newspaper and one in dry newspaper. They then relate this cooling effect to the body's perspiration.
Curated OER
Are Enzymes Specific for Their Substrates?
Young scholars discover enzyme to substrate specificity. The experiment uses samples of glucose and lactose in combination with the enzyme lactase. Students observe the reaction between the lactose and the lactase; the lack of a...
Curated OER
Finding PI
Students select and use appropriate operations, methods and tools to compute or estimate using whole numbers. They develop and use formulas for determining the circumference and area of circles. Students determine and describe the...
Curated OER
Help! I Need Five Minutes
Students practice ways to better manage their time. They keep track of their current use of time. Students prioritize and schedule events and use a daily planning calendar to schedule their time.
Curated OER
Planning My Vacation Online
Students use a variety of resources to decide on a vacation destination. They locate three points of interest, a hotel, and two restaurants at their destination.Students obtain driving directions for their trip, create a trip budget, and...
Curated OER
Global Statistics
Students select appropriate data to determine the mean, median, mode and range of a set of data. They calculate the statistical data on literacy rates and life expectancy within each geographic region of the world. Students determine...
Curated OER
Geometry: Calculating Area
In this calculating area worksheet, students find the area of complex shapes. This one-page worksheet contains 6 multi-step problems.
Helping with Math
Solving Equations with Two-Stepping! (2 of 4)
Multi-step problems are part of the progression when learning to solve equations. These 12 problems require only two steps to arrive at an answer. Either print the page out to assign as homework, or have learners write down the problems...
Curated OER
Clock Arithmetic and Cryptography
Students explore the concept of modular arithmetic and cryptography. In this modular arithmetic and cryptography lesson, students use applets to explore modular arithmetic using a clock and Caesar Ciphers. Students exchange their ciphers...
Curated OER
Gender Issues through Chi-square Experiments
Students investigate teachers and gender preference. In this statistic lesson, students collect data of teachers calling on students to see if they are calling on one gender more than the other. Students examine the data and draw...