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Lesson Plan
Curated OER

PHENOTYPIC AND GENOTYPIC CHANGES IN BACTERIA

For Teachers 10th - 12th
Young scholars use a rapid method to render the bacterium Escherichia coli "competent" in order to uptake plasmid DNA. They also have growth on the plain LB plates by the untransformed cells (which serve as controls). Students perform a...
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Lesson Plan
Curated OER

Phenotypic and Genotypic Changes in Bacteria

For Teachers 11th - 12th
Students investigate a rapid method to render the bacterium Escherichia coli "competent" to uptake plasmid DNA. They demonstrate the phenotypic changes associated with transformation. They perform a cell resuspension from the...
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Worksheet
Curated OER

Problem Solving: Number Patterns

For Students 4th - 5th
For this number patterns worksheet, students use the patterns of numbers within each word problem to solve and answer the six word problems.
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Lesson Plan
Curated OER

Elapsed Time Two

For Teachers 3rd - 4th
Students study how to calculate elapsed time. In this elapsed time lesson, they determine how to calculate the ending time of an event when they are given the starting time and the elapsed time. They participate in direct instruction,...
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Lesson Plan
Curated OER

Mean and Median

For Teachers 5th - 8th
Students define mean and median. In this "average" lesson, students calculate the mean and median for a list of given numbers.
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Lesson Plan
Curated OER

Reading Comprehension Practice: Nonfiction Text

For Teachers 5th - 7th
Students practice their reading comprehension. In this reading comprehension lesson, students read or listen to a nonfiction article about meditation. This lesson includes discussion questions and comprehension questions.
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Lesson Plan
Curated OER

Not Your Average Average

For Teachers 7th - 8th
Students discover that if a distance is traveled in two or more segments at different average speeds, you cannot average the average speeds. Instead the total distance traveled must be divided by the total elapsed time. Students practice...
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Worksheet
Curated OER

Problem Solving

For Students 5th - 6th
In this problem solving worksheet, students solve and complete 4 different types of word problems. First, they determine the responses to various questions as described. Then, students find the amount of an item needed to complete...
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Lesson Plan
Curated OER

TISSUE PAINTING

For Teachers 3rd - 5th
Pupils designs a unique tissue painting by filling in the sketch with selected colored tissue paper and its placement.
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Lesson Plan
Curated OER

Density Currents

For Teachers 7th - 12th
Students experiment with currents caused by temperature variations that simulate the origins and flow of polar bottom currents. They discover water density is affected by temperature and salinity, resulting in deep water currents.
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Activity
Math Is Fun

Math Is Fun: Adding and Subtracting Time

For Students 1st - 5th Standards
Students learn how to add and subtract time. Class notes and practice problems with solutions are provided.
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Unknown Type
That Quiz

That Quiz: Reloj

For Students 3rd - 5th Standards
Interactive practice tests dealing with the clock. Students will practice adding and subtracting hours and minutes and converting hours, minutes and seconds.