Curated OER
WS 10.9 Ka/Kb
In this weak acid and base learning exercise, learners find the pH of solutions given the equilibrium constants for each of the weak acids and weak bases.
Curated OER
pH and Red Cabbage Juice
Students review properties of materials and define what pH tells them about matter. In this pH levels lesson, students determine whether materials are acids or bases using indicator substances.
California Academy of Science
Coral and Chemistry
Using cabbage juice as a pH indicator, future scientists explore the effect of increasing carbon dioxide on the pH of the ocean and relate it to the health of coral reefs. Ideal for an earth or environmental sciences course, this lesson...
Curated OER
Acidity of Foods
Students investigate the acidity of foods using titration. In this acidity of foods lesson plan, students find the acid concentration of 4 fruit juices by titrating them each with sodium hydroxide and an indicator to find the end point. ...
Curated OER
DNA Scientists
Students navigate through information about scientists who contributed to our understanding of DNA. In this interactive lesson plan, students gain historical understanding of scientists through a web-based timeline. They complete a...
NASA
Cleaning Water
From their sweat to the water vapor in their breath, astronauts recycle every possible drop of water while in space. After watching a short video describing the different ways materials are recycled and reused in space...
Curated OER
Regulating Gene Expression
For this gene expression worksheet, students read about two transcription factors: activators and repressors. Students complete 1 multiple choice and 5 short answer questions.
Curated OER
Properties of Soaps
Students investigate 3 types of soap. In this properties of soaps lesson plan, students test soap with pepper and observe the reaction between the two. They make observations of the 3 types of soaps and make a chart to compare each. They...
Cornell University
Unknown Powders
Create a little scientific magic within your classroom! Learners mix powders and liquids and identify chemical reactions. Based on the reactions, individuals determine the identity of various powders.
Curated OER
Invisible Ink - Demonstration
Students observe a demonstration that shows that the indicator, phenolphthalein, is a chemical that displays different colors depending on either the acidity or the basicity of the environment. They use the substance to reveal secret...
Curated OER
Where in the World is Carbon Dixoide?
Students conduct experiments designed to detect the presence of CO2 by using a BTB that changes color (blue to yellow) in the presence of CO2. First, students experiment with the CO2 from combining vinegar and baking soda. In part two,...
Curated OER
Antacid Lesson Plan
Eleventh graders use titration methods to study properties of antacids. They look at the strength, effectiveness, PH, and effect of supplements taken at the same time. They make observations after the different mixtures are combined and...
Curated OER
Molecular Evidence for Evolutionary Relationships
Learners compare the amino acid sequences in cytochrome-c for a variety of organisms and use this information to infer evolutionary relationships. Students investigate the role of homeobox genes and what this indicates about the...
Curated OER
Acidity
Sixth graders describe the physical and chemical properties of acids. In this chemistry activity, 6th graders test the acidity of different solutions. They identify acids and bases using the pH scale.
University of Georgia
Antacid and Uncle Heartburn
Household materials can be used for more than cleaning! In this collaborative experiment, emerging chemists use products such as vinegar and liquid antacid to explore chemical reactions that commonly occur in the human body.
Curated OER
High-Tech Food: Science in Your Shopping Cart
Kids are given a lot to think about, as they delve into the world of high-tech foods. They discuss GMOs, biotechnology, food enhancements and domestication. They view videos, engage in class discussions, complete worksheets, and learn...
Curated OER
DNA: Expressions in Agriculture
What is DNA extraction, and can you make a living doing it? Yes, if you are in a biotechnology field. Kids learn about DNA extraction, GMOs, and biotechnology careers. They then watch videos and complete activities to understand the use...
Curated OER
What is Biotechnology?
Young consumers explore the concept of biotechnology as it pertains to the foods they eat, economics, and agriculture. They watch several videos, explore a website, complete worksheets, and engage in class discussion. Son they'll know...
DiscoverE
Ocean Acidification
Combat ocean acidification with bubbles. Young engineers create a system that reduces the acidity of water. Dry ice in water helps simulate ocean acidity, and blowing bubbles into the water results in a gas exchange that neutralizes the...
Curated OER
Chemistry 116 Exam 2 Summer 2009
Written for an introductory organic and biochemistry course, this exam will challenge your class. They label functional groups and stereocenters on drawings of molecules, draw structures given the name, complete drawings of chemical...
Curated OER
The Need for Normality
Students investigate the need for measuring concentrations in normality in titrations. In this titrations and normality instructional activity, students perform titrations and use different indicators to show they change colors at...
Curated OER
Household Chemistry
Students use indicator paper to determine if substances are acidic, basic, or neutral. They test for Ph levels in them. They investigate the effect of oxygen on darkening fruit cut and exposed to the air. They observe vitamin C as an...
Curated OER
Writing Net Ionic Equations
For this ionic equations worksheet, students are given 20 equations to complete. They are to write the net ionic equation and indicate if a precipitate or gas is formed. In addition they are to determine if 11 compounds are acids or...
Curated OER
IB.8 Laboratory Activity-Water Testing (Micro)
Learners test different water solutions for the presence of ions. In this water testing lesson plan, students test for iron, calcium, chloride and sulfate ions in solutions. They indicate positive tests based on their results and they...