Curated OER
PHENOTYPIC AND GENOTYPIC CHANGES IN BACTERIA
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...
Curated OER
Phenotypic and Genotypic Changes in Bacteria
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...
Curated OER
Problem Solving: Number Patterns
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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Elapsed Time Two
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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Mean and Median
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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Reading Comprehension Practice: Nonfiction Text
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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Not Your Average Average
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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Problem Solving
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...
Curated OER
TISSUE PAINTING
Pupils designs a unique tissue painting by filling in the sketch with selected colored tissue paper and its placement.
Curated OER
Density Currents
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.
Math Is Fun
Math Is Fun: Adding and Subtracting Time
Students learn how to add and subtract time. Class notes and practice problems with solutions are provided.
That Quiz
That Quiz: Reloj
Interactive practice tests dealing with the clock. Students will practice adding and subtracting hours and minutes and converting hours, minutes and seconds.