Curated OER
Precalculus Worksheet 8.3
In the precalculus instructional activity, students compute vectors and angle directions from given equations. They read and interpret information from three word problems to determine direction, speed, and the velocity vector in...
Curated OER
Germs Make Me Sick
Learners work in pairs, first doubling each number with pencil and paper, and checking it with a calculator.
Curated OER
Investigating the Idea of Tan
Fifth graders use tan to solve problems involving right-angled triangles. They solve equations of the form tan(8) =a, for a between 180 degrees and 360 degrees. They state the value of tan (8) in special cases.
Curated OER
Halloween Scene
In this math worksheet, students solve 4 story problems which pertain to Halloween. Students estimate, calculate prices, and convert liquid measures to solve these problems.
Curated OER
Moon Watch: Observing the Lunar Phases with a Model
How do you know the moon is going broke? It's down to its last quarter. The lesson provides a more accurate way to teach lunar phases, emphasizing not only naming or understanding them, but being able to explain why they occur....
Teach Engineering
Fairly Fundamental Facts About Forces and Structures
Don't twist and turn looking for a resource. The first installment of a six-part series teaches young engineers about the five fundamental forces of compression, tension, shear, bending, and torsion. These forces help explain different...
Teach Engineering
Common and Natural Logarithms and Solving Equations
Log some practice with logarithms. A PowerPoint presentation provides a tutorial on the change of base formula involving natural logarithms and solving exponential equations with logarithms in the fourth installment of a seven-part...
Teach Engineering
Organic Solar Energy and Berries
You can eat a solar cell? A unit on solar energy begins with a discussion about organic solar cells, followed by directions on how to build your own. After following the teacher's directions to build an anthocyanin dye-sensitized solar...
Rainforest Alliance
Forests of Guatemala
With 90 percent of its land area covered in forests, Suriname, a country in South America, contains the largest percentage of forests throughout the world. Here is an activity that brings classmates together to learn about the...
Curated OER
PLANETS IN PROPORTION
Students discover scales for both the solar bodies' relative sizes and their distances from the sun. They find equatorial circumference and volumes of their solar bodies. Students apply estimation strategies and proportioanl reasoning to...
Alabama Learning Exchange
Effects of Friction on a Moving Block
Students investigate how friction affects the movement of a block across surface areas. They test five different kinds of surfaces—smooth surface, wax paper, a paper towel, course, and fine sandpaper. They predict and record the results...
Curated OER
Water on Mars!
In this water on Mars worksheet, students use a diagram to answer four questions about the structures in the image. They find the dimensions of the image, the width of the streams half-way down their flow channels, the smallest feature...
Curated OER
Sea Ice: Unscrambling the Egg Code
Students determine sea ice thickness, concentration, and floe size by reading egg codes. In this sea ice conditions lesson, students color code a map based on prescribed criteria and use the maps to identify changes in sea ice...
Curated OER
Dangerous Air
Students investigate how pollution is a global issue. They locate the countries affected by radiation from Chernobyl, sequence the progress of radiation transport from Chernobyl and plot the pollution points on a world map, and read and...
Curated OER
Travel Mug Design
Students create and develop a travel mug. They create visuals and a three dimensional infomercial. They apply an engineering design and demonstrate knowledge of thermodynamics involved in heat transfer. They illustrate Newton's Law of...
Curated OER
Reading Trees: Understanding Dendrochronology
Students examine tree-ring dating and discuss the lack of water the settlers in Jamestown faced. They create paper tree rings, simulate rain patterns, and describe the history of construction paper tree sequences.
Curated OER
Reading distance on maps
Eighth graders complete worksheets on reading the distance on maps in miles or kilometers. For this maps lesson plan, 8th graders use a calculator and ruler.
Curated OER
Graph Both Crusts
Fourth graders calculate the angles and construct a pie graph of the percentages of the elements in the continental and oceanic crusts. Then they analyze the results. They can be assigned the task of researching the percentages.