Curated OER
Atoms or Molecules?
For this scientific investigation worksheet, students follow the provided procedures to examine the chemical reactions of hydrogen and oxygen atoms and then respond to 1 short answer question.
Curated OER
Chapter 7 Practice Problems
In this space science activity, students identify ultraviolet beams and what occurs when the frequency is doubled. They identify how long it would take to send a radio message from a space probe of Mars to earth. Students also determine...
Curated OER
Vocabulary - Acids and Bases
In this acids and bases worksheet, students write in the definitions for 20 terms associated with acids and bases, including buffer, pH, and equilibrium.
Southwestern Medical Center
A Classroom Demonstration of Protein Folding
Does the mention of proteins and polypeptide relationships in your classroom result in mass confusion? Does the attempt to teach this important concept generate multiple questions and, at times, lead to a room filled with blank...
Concord Consortium
Aquapores
Aquapores allow water to travel through cell membranes while keeping other molecules out. The animation offers an up-close look at these parts of the cell membrane. It explores multiple vantage points and shows the importance of these...
Curated OER
Converting Amount to Mass
In this elements worksheet, students practice converting a given amount of an element to the mass using its molar mass. This worksheet has 12 problems to solve.
Curated OER
Atom and Eve
Pupils research and define an atom using a concept map. They design and create a model of an atom, labelling all the parts, and write a journal entry.
Curated OER
Biocomplexity Lab Activity: Measuring Water pH
Students 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.
Curated OER
Biology Wagaman Word Search
In this word search worksheet, students locate 9 words related to biology. The word list includes enzyme, hydrogen, and nucleic acid.
Curated OER
Cool Facts
In this research skills activity, learners use a variety of reference sources to answer four questions about temperature. Questions refer to such things as cryogenics, boiling hydrogen and absolute zero.
Curated OER
The Double Helix
In this DNA worksheet, learners color in the parts of a DNA double-helix structure, which includes the base pairs and hydrogen bonds.
Curated OER
Reaction Rates and Catalysis in Ethanol Production
Young scholars investigate alternative catalysts for the degradation of hydrogen peroxide. In this fermentation lesson students complete an activity that breaks down cellulose into sugar.
Curated OER
Chemistry: The Case of the Sunken Ice Cube
Students examine a density demonstration involving ice cubes and beakers of water and alcohol. After observing how one ice cube floats in water and sinks in alcohol, they determine which mixture of the two would suspend the ice cube in...
Curated OER
Acids and Bases Are All Around
In this acids and bases learning exercise, students read a 1 page article on acids and bases and answer 10 true or false, short answer, multiple choice and/or fill in the blank questions or statements referring back to the article.
Curated OER
Acids and Bases
In this acids and bases worksheet, students list the differences between and acid and a base. Students list strong and weak acids and strong and weak bases. Students determine the properties of acids and bases. This worksheet has 1...
Curated OER
Lesson- Radial Solution, Hydroggen Wavefunction
Student uses Schrodinger's equation applied to a single electron Hydrogen atom. They use angular and radial portions equation to answer questions. Student use a model to answer equation questions.
Curated OER
Magic Genie
Students observe the chemical change that occurs when sodium iodide is dropped into a flask containing 30% hydrogen peroxide. They discuss how this exothermic reaction occurred as they study the chemical equation involved in the reaction.
Curated OER
Thermometric Titration of an Unknown Acid
Students determine the number of ionizable hydrogen's in an unknown acid and determine the equivalent weight of an unknown acid. They determine the enthalpy change for the ionization of an unknown acid.
Curated OER
Cancer Warrior
Students perform an experiment to determine how different salt concentrations affect the liver's ability to break down toxic hydrogen peroxide. They record and average their data which is then graphed.
Curated OER
Colored H2 Balloon Explosions
Students perform an experiment in which they put different types of salts in a balloon, fill it with hydrogen gas, and ignite it. The electrons in the salt molecules are excited by the heat and release energy in the form of light. ...
Curated OER
Effect of Concentration of the Reactants
Students experiment to determine the effect of the frequency of collisions between atoms or ions of the reactants. They investigate the rate at which aluminum replaces hydrogen from a solution of hydrochloric acid.
Curated OER
pH and Titration
In this pH worksheet, students review the titration procedure and the significance of the stoichiometric point. This worksheet has 2 problems to solve.
Curated OER
Acid-Base Calculations
For this acid-base worksheet, students calculate the pH of given solutions and determine if given solutions are acids, bases, or neutral. This worksheet has 3 graphic organizers and 4 problems to solve.
Curated OER
Acids, Alkalis, and Salts
In this acids worksheet, high schoolers review the definition of acids, bases, and salts. Students describe the differences between acids and alkalis and define neutralization. This worksheet has 2 short answer and 1 problem to solve.
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