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Electricity and Thermodynamics Review
For this electricity and thermodynamics worksheet, students review the major concepts of both series circuits and parallel circuits, they review types of thermal transfer, they match electricity terms with their definitions, they fill in...
Creative Chemistry
Finding the Percent of Iron in Lawnsand
For this percent of iron in lawnsand worksheet, learners perform a titration of lawnsand using potassium manganate(VII) solution and determine the number of moles of iron in the sample. Students use the number of moles to find the mass...
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Chemical Equations
In this chemical equations worksheet, students complete a paragraph about chemical equations by filling in 17 terms from a word list.
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How Does Mining Produce Acid Runoff?
Students examine how mining and other industry operations can lead to acid runoff. In this mining lesson students study weathering and complete a lab on it.
Creative Chemistry
Hard Water
In this water learning exercise, students read about how hard water is created and what can be done to soften it. Then, they complete six short answer questions.
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Electrolysis of Water
Ninth graders examine the electrolysis of water by completing an experiment. In this water lesson students will explain how hydrogen can be extracted from water and how energy flows through an electrolysis system.
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Displacement Reactions and Acid/Base Reactions
In this chemical reactions instructional activity, students review the solubility rules for common salts. Students determine the molecular equation, ionic equation, and net ionic equation for specific reactions. Students calculate moles...
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Logarithmic Functions as Inverses
In this algebra learning exercise, students solve logarithmic functions. They graph their solution using log properties. There are 6 questions.
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Rock Crystallization
Students determine the differences between the crystallization of igneous and metamorphic rocks. They examine both liquid state and solid state crystallization.
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Lewis Structures and Bonding
In this compounds worksheet, students complete a graphic organizer by filling in the chemical compounds structure, resonance, geometry, hybridization, and bond angles. Then students complete 2 short answer questions.
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Activity #17 Co2 From Alka Seltzer
Learners observe what occurs when Alka Seltzer tablets are added to water. They explain why water stays in the jar when it is above the surface of the water. Pupils test for the presence of carbon dioxide by conduting the match test.
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A Clock Reaction
This is an advanced rates of reactions worksheet. Students will be determining reaction times, molarities, and reactions rates for different reactions.
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Other Aspects of Aqueous Equilibria
In this aqueous equilbria activity, students write the solubility product expressions for the given salts. Students determine what affects the solubility of salts. Students calculate the pH of a buffer solution. This activity has 14...
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Characteristics of Crystals
In this crystals worksheet, students complete a graphic organizer by filling in the characteristics of the different crystal types including melting/boiling point and electrical conductivity.
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Acids and Bases Crossword
In this chemistry worksheet, students complete a crossword puzzle with 27 clues about acids and bases. Each clue lists number of letters for correct word.
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Answers for Acids and Bases Crossword
In this chemistry worksheet, students are provided with the answers for a crossword puzzle with 27 clues about acids and bases.
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Sequencing the Cystic Fibrosis Gene: A Simulation
Ninth graders determine nucleotide sequences. They identify those base sequences that are normal, those that are normal variants and those that cause cystic fibrosis. Students use DNA nucleotide sequences to determine amino acid...
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Molecular Modeling Activity
Students work together to explain the VSEPR theory and how it relates to molecules. They name electron pairs that can surround the central atom of an organism. They discuss the factors that determine the polarity of a molecule as well.
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Molecular Modeling Activity
Young scholars explore the concept of molecular modeling and differentiate between saturated and unsaturated compounds. In small groups, they identify molecular formulas, complete a chart comparing alkanes, alkenes, and alkynes, and...
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Grade 9 Science Review
In this 9th grade science review learning exercise, students complete 63 true or false questions on topics such as atomic notation, isotopes, covalent bonds, Ohm's law, and electric circuits.
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Weak Acid Base Equilibria Problems
In this acid and base worksheet, students calculate the concentration and pH of solutions. This worksheet has 7 problems to solve.
Creative Chemistry
Physical and Chemical Trends in the Group 7 Elements
In this elements activity, students complete a graphic organizer by comparing the elements' melting point, boiling point, density, and electronic configuration. Students determine the characteristics of Group 7 elements. This activity...
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AP Chemistry Chapter 9
In this AP Chemistry worksheet, students apply concepts of electron configuration to accurately answer the questions provided. Students also draw Lewis structures of the given elements. Students estimate the enthalpy of formation as well...
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Solutions, Suspensions, and Colloids
In this solutions, suspension, and colloids worksheet, students answer questions as it relates to their reading information about solutions, suspensions, and colloids. Students observe different examples and complete a chart as they...