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Worksheet
Curated OER

Exponents

For Students 8th
In this exponents worksheet, 8th graders solve 16 various types of problems from writing patterns in exponential form to word problems that determine how much greater mass is and how much money was received. They simplify and rewrite...
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Worksheet
Curated OER

Measurement

For Students 7th
In this measurement worksheet, 7th graders solve 14 various types of problems that include completing a table with the base, height, and/or area of triangles and solving a number of word problems with measurement. They also estimate the...
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Worksheet
Curated OER

Perimeter and Area

For Students 9th
In this perimeter and area instructional activity, 9th graders solve 17 various types of problems, mostly word problems related to determining the area or perimeter of a geometric shape. They also determine the area and perimeter of...
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Lesson Plan
Curated OER

Determine the molarity of an unknown HCl solution

For Teachers 10th - 12th
Young scholars complete a lab to help develop a comprehension of stiochiometry. They review equation writing, equation balancing, and stiochiometry. Studnets are given the following information: Sloppy students from the previous class...
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Lesson Plan
Curated OER

Indicator Sponge A Discrepant Event Demonstration

For Teachers 5th - 8th
Students explore the use of acid and base pH indicators. The teacher saturates an indicator sponge with congo red solution. Afterwards, the sponge is placed in a blue base solution. Students observe that the blue sponge actually turns...
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Lesson Plan
Curated OER

Acid Neutralization Lab

For Teachers 11th - Higher Ed
Learners discuss and design a lab to measure pH of limestone, pyrite, limestone-pyrite mixtures and their control. They have their labs approved by the instructor before they begin. Students preform the lab and explore the acid-base...
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Lesson Plan
Curated OER

Soil Acidity and Leaching

For Teachers K - 8th
Students are introduced to the concept of acids and bases and arouse curiosity about acids and bases in daily life. They are introduced to the measurement of soil pH. Pupils are introduced to the effect of soil pH on nutrient cycling...
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Organizer
Curated OER

Chemistry: pH and pOH Calculations

For Students 9th - Higher Ed
In this pH worksheet, students complete a graphic organizer by determining the pH and pOH of given solutions and then deciding if its an acid or base. Students write equations for dissociation reactions. This worksheet has 1 graphic...
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Lesson Plan
Curated OER

pH Basics

For Teachers 6th - 8th
At some point, all science learners experiment with pH. In this brief lesson, they simply use pH strips or a meter to find the pH of six different solutions. A useful worksheet that displays a data chart is included for your middle...
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Interactive
Curated OER

Trapezoid Problems - base1, base2, height and area

For Students 9th - 12th
In this online math worksheet, learners must find the missing measurement in a variety of trapezoids. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific...
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Interactive
Curated OER

A Number is X% of What Number?

For Students 7th - 12th
In this algebra worksheet, students solve for the base of a number given the percent and its partial amount. There are 10 questions.
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Lesson Plan
Curated OER

Acids and Bases

For Teachers 7th - 12th
Students study acid and bases and how they fall on the pH scale. In this solutions lesson plan students complete a lob activity using litmus then fill out a data table.
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Lesson Plan
Curated OER

Soil Sample Lab

For Teachers 9th - 12th
Students test the pH of soil samples they collected from the field trip. In this chemistry lesson, students differentiate acids and bases. They write a lab report about the experiment.
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Lesson Plan
Curated OER

What is pH?

For Teachers 6th - 10th
Learners describe pH and the importance of it in the natural world.  In this Biology lesson students compare the pH of different mixtures.
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Lesson Plan
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Off Base

For Teachers 9th - 12th
Students study La Chatelier's principle and identify how carbon dioxide may affect pH.  In this coral lesson students complete a worksheet on pH and observe a lab.
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Lesson Plan
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Cabbage Juice Indicator

For Teachers 6th - 8th
Students experiment with household solutions and classify them as a base or acid.  In this exploratory lesson plan students complete a lab where they test products to see if they are an acid or a base. 
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Worksheet
Curated OER

Exponents: Positive and Negative Bases

For Students 9th - 11th
In this exponent learning exercise, students solve exponent problems containing positive and negative bases.  They multiply integers.  This four-page learning exercise contains 27 problems.  Answers are provided on the last page.
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Worksheet
Curated OER

Identifying the Base and the Exponent

For Students 5th - 6th
For this identifying the base and the exponent worksheet, students write the base and the exponent for four expressions.
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Lesson Plan
Curated OER

pH

For Teachers 6th - 8th
Students test the pH of various solutions. In this pH instructional activity, students use litmus paper to test the pH of household solutions. They compare their results with book charts.
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Organizer
Curated OER

Digestion Experiment

For Students 7th - 8th
In this digestion experiment worksheet, students follow the procedures to set up an experiment about stomach digestion using pH paper to test for acidity.
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Worksheet
Curated OER

Indices and standard Form

For Students 8th - 10th
In this indices and standard form worksheet, learners convert numbers from exponential notation to standard notation. Positive and negative exponents are included. This two-page worksheet contains 30 problems. Answers are provided beside...
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Worksheet
Curated OER

Trigonometry: Square Roots

For Students 8th - 10th
In this square roots worksheet, students mental calculate the square root of numbers. They determine the value of numbers raised to a power. This two-page worksheet contains 30 problems.
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Worksheet
Curated OER

Exponents: Ten to the nth Power

For Students 6th - 8th
In this exponent worksheet, students determine the value of ten when raised to a specified power. This one-page worksheet contains 5 problems. This self-checking worksheet may be completed on-line or presented in printed form.
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Worksheet
Curated OER

Binary Code Message

For Students 8th - 10th
In this binary code message, students convert numbers from binary numbers to base ten. This one-page instructional activity contains 26 problems.