Curated OER
Extraction of Caffeine from Tea Leaves
Students conduct an experiment in which they extract the greatest number of grams of caffeine from four bags of tea. They conduct Internet research, conduct the experiment, and record their observations and data.
Curated OER
Drug Analysis Using Thin-Layer Chromatography
Students use forensic science to positively identify any suspected drugs submitted to the laboratory. They determine the identity of the drugs found in the bodies of drug-overdose victims. Students use TLC to identify the active...
101 Questions
Finals Week
What energy drinks have the highest concentration of caffeine? Pupils compare five energy drinks with different amounts of caffeine and different volumes. They must solve the ratios to understand the differences. An extension compares...
Curated OER
Holy Starbucks Batman
Students investigate caffeine as a potential new pollutant in a northwest river system. Effects of caffeine on invertebrates and salmon fry will be explored through field work and lab work.
Statistics Education Web
Consuming Cola
Caffeine affects your heart rate — or does it? Learners study experimental design while conducting their own experiment. They collect heart rate data after drinking a caffeinated beverage, create a box plot, and draw conclusions....
Curated OER
Fishy Behavior
Here's a lab that may make you rethink that morning cup of coffee. Biology scholars test the effects of caffeine, alcohol, and nicotine on the behavior of zebrafish through an intriguing experiment. Learners observe fish...
Curated OER
Alcohol, Nicotine or Caffeine Rap
Students create a rap/skit showing the effect of alcohol, nicotine or caffeine. In this biology lesson, students identify the important points of their chosen drug. They present their rap/skit in class.
Concord Consortium
Acid Test
This isn't your typical basic lesson—it's more acidic! Learners use pH information to determine the hydroxide ion concentration of different substances and then use these values to analyze information. The calculations require...
Curated OER
Language Arts: Cocaine in a Can
Students examine the case of "Cocaine," a new soft drink targeted at teens. They explore the decision by some stores not to sell it. Students compose essays expressing their views about the drink and the ensuing decisions.
Curated OER
Caffeine and Nicotine
Young scholars research the effects of caffeine and nicotine online.
Curated OER
Lab Experiments in Nutrition
Looking for authentic hands-on nutritional experiments? High schoolers will perform experiments to test for the presence of vitamin C in several solutions as well as the effect of caffeine on Daphnia. They will also consider the...
Curated OER
Hand Lotion Analysis
Students prepare a sample of a commercial hand lotion for analysis by HPLC to determine the percent composition of two common cosmetic preservatives, methylparaben and propylparaben. They perform the analysis and the data is evaluated to...
Pomegranate Apps
Foodle - Nutrition Facts
USDA National Nutrient data is available at your fingertips! This application is a vast library of more than 8,000 nutritional labels for commonly eaten foods. Search and sort foods by a variety of categories.
Curated OER
Fused Sentences (Run-on Sentences)
Run-on sentences can be annoying to read, and are a tough habit to break in writing! Fix this problem in your language arts class with this straightforward grammar worksheet. Pupils rewrite fourteen sentences to split run-on sentences...
Curated OER
Growing Barley for Use in Biosynthesis Experiments
Students attempt to determine the optimum growing conditions for barley. They assess the effects of a number of substances such as ammonium chloride and urea on the plants
Curated OER
Explorit's Coffee, Tea or Chocolate Quiz
In this coffee and tea worksheet, students complete a six question multiple choice on-line interactive quiz about the cultivation and chemistry of coffee, tea and chocolate.
Curated OER
Embryological Development Using Medaka Fish
High schoolers analyze and record major events that occur in the development of Medaka fish eggs from fertilization to hatching. In small group, students describe the processes involved, creating a timeline of the major events in the...
Curated OER
Lesson 25 - Applications of Logarithmic Functions
in this applications of logarithmic functions worksheet, students solve 11 short answer problems. Students use logarithms to find half lives, compound interest, and population growth given a word problem.
Curated OER
Practice Sheet: Colligative Properties
In this colligative properties worksheet, students solve eight problems. They calculate molarity, molality and grams of substances in addition to using colligative properties to calculate solutions.
Curated OER
The Effects of "Recreational" Drugs on the Development of Chick Embryos as a Model for Human Embryogenesis
Students conduct experiments on fertilized chicken embryos to determine the possible developmental effects that various recreational drugs (caffeine, alcohol, nicotine, and aspirin) might have on them.
Curated OER
Coffee Houses
For this online/interactive recognizing vocabulary usage worksheet, students use the words and phrases bank to fill in the blanks and complete the sentences. Students write 10 answers.
Curated OER
Finding Concentration
In this determining concentration activity, students are given the equations to find the concentration of a solution in grams per milliliter, to determine the concentration in parts per million, to determine percent mass and percent...
Curated OER
Colons
Clarify colon misconceptions with this explanatory handout. Get into the nitty-gritty of grammar with multiple examples of the proper use of the colon. While this isn't an interactive handout, it could be used as a grammar guide for your...
Open Colleges
Your Brain Map: Strategies for Accelerated Learning
The brain is a complex organ with many different structures and functions. An interactive diagram allows learners to explore the different structures while pop-ups describe their functions. Secondary interactives show the structures of...