College Board
2016 AP® Chemistry Free-Response Questions
The College Board published the mean score on the 2016 AP Chemistry exam as a 2.69, but a minimum of a three is required to earn college credit. Help pupils study for the upcoming exam with actual test questions, sample answers, and...
Curated OER
Acid Rain Lesson Plan Activity 2 - Understanding the Difference Between an Acid And a Base
Students experiment to determine the difference between an acid and a base. They study the concept of adding a buffering agent to make an acid more basic. They study the pH scale.
Curated OER
The Three Types of RNA
In this biology worksheet, students identify and describe the three types of RNA, messenger, transfer, and ribosomal RNA. Then they write the key features of molecules of RNA for each form.
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RNA and Gene Expression
In this RNA and gene expression worksheet, students match the letter of the description that best matches the term as it relates to gene expression. Students also answer questions as it relates to the process of transcription and...
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Acid Rain And Geology
Pupils become aware of the environmental problems caused by acid rain and study the pH scale. They determine acidity of local rain water.
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How is the Strength of an Acid Determined?
Students study acids and how they can be measured. In this acid instructional activity students distinguish the properties that create strong and weak electrolytes.
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DNA and RNA Exercise
In this biology worksheet, students work to define the nucleic acids of RNA and DNA. They answer the questions that focus upon the two concepts.
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The Colors of Chemistry
Young scholars investigate the acidity and alkalinity of common household products in an experiment. They use red cabbage juice and litmus paper to show the difference between strong acids and bases as they work with vinegar, dish...
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Chemical Reactions
In this chemical reactions learning exercise, students solve 16 exercises by writing and balancing chemical reactions. They calculate the concentration of various solutions.
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Interdisciplinary Applications of Chemistry Through Engineering in Modern Medicine
Learners explore the different techniques used in forensic science. For this chemistry lesson, students investigate a fictional crime and identify the culprit. They create a brochure or collage career bulletin.
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DNA Structure and Extraction
High schoolers see DNA as a physical building block of organisms and comprehend the basic structure of DNA and the specific components in its structure. They can explain the specific nature of base-pair matching in DNA and that DNA bases...
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There's Omegas in Those Hemp Seeds
A very well-designed lesson plan focuses on the many benefits of Omega Fatty Acids. Learners read some articles on omega fatty acids, then access a glossary that is included in the plan. They fill in terms along with their definitions....
NOAA
Off Base
How does carbon dioxide affect the world's oceans? The final installment in a series of six lessons has pupils research ocean acidification, then conduct an experiment to witness the delicate balance that exists in our seas. Materials...
Curated OER
Acid, Base, or Salt?
In this acids and bases instructional activity, students read about the differences between acids and bases and then complete a table comparing the characteristics of both. Then students determine if the given statements describe an...
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Chapter 22 - 25 Review
In this chemistry review worksheet, learners explore their knowledge of solutions, acid and bases, nuclear reactions, and radioactive decay as they answer 33 matching, fill in the blank, and short answer questions.
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Chemistry Worksheet 3
In this chemistry worksheet, students determine the pH of several given solutions. Students label indicated substances as either acids or bases according to Bronsted-Lowry theory.
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DNA, RNA, Protein Synthesis, & Mutation
In this biology worksheet, students identify and label the diagram shown by stating what each part of the diagram represents on the line. Then they use the DNA strand as the original strand and complete the data table. Students also...
Curated OER
Introductory Lesson on How pH Levels are Determined
Students explore pH levels of different substances. In this lesson about pH, students work together in three to four groups to test substances. moving between three different stations performing tests on the substances to determine...
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Household Acids and Bases
Ninth graders complete an experiment to determine the pH values of a variety of common household substances. They use red cabbage to find the indicator colors of the pH range. They complete a data table that includes a prediction and...
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PH Neutralization For Pollution Control
Pupils recognize whether a solution is an acid or a base. In this acids and bases lesson plan, students use chemicals and identify if those chemicals are acids or bases. From the conclusion, pupils will be able to identify if the...
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HOW IS PH DETERMINED?
Students estimate the pH based on the use of an unknown substance, determine whether an unknown substance is acid, base or neutral, and evaluate, by the pH determination, which of the unknowns is the strongest acid or base.
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Natural Indicators: How Do They Work?
Students describe characteristics and common uses of acids and bases. They describe the role of natural indicators in the chemistry of acids and bases after testing and making observations on a variety of plant extracts. Students observe...
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The pH scale
Young scholars list the common properties of acids and bases. They classify substances as acids or bases, by using pH and litmus tests and are able to explain the pH scale. They participate in a lab activity which reinforce their...
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Biocomplexity Lab Activity: Measuring Water pH
Learners test unknown solutions for pH levels to determine which organism can live in each environment. They name three substances that they think are acids. Students determine a solution is an acid or base. They define the term pH.
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