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Elements
For this elements worksheet, students write the electron configurations for given elements. Students describe ionization energy and electron affinity and the periodic trends for both. This worksheet has 20 short answer questions.
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Oil Embargo!
Ninth graders generate and analyze data to determine which and how much of two polymers best absorb oils, formulate procedure to accurately determine how many times its own weight particular polymer can absorb, and develop understanding...
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Elements and the Periodic Table
Learners are introduced to the elements on the Periodic Table and what is meant by element. Using the Table, they identify the name, atomic mass, number and symbol of each element. To end the lesson, they discover the characteristics...
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Electrolysis Reactions
For this electrolysis reactions worksheet, students determine the mass of a compound and the time required for specific electrolysis reactions. This worksheet has 5 problems to solve.
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Chemical Bonding
In this chemical compounds worksheet, high schoolers review the different types of bonding, define the octet rule, and draw Lewis structures (electron-dot diagrams) for given compounds. This worksheet has 7 fill in the blank, 5 short...
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Plasma
In this matter worksheet, middle schoolers review the states of matter, including plasma. Students read about where plasma is found and then complete 3 short answer questions.
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What Holds a Substance Together?
Students observe how substances are held together by bonds. In this physics lesson, students demonstrate how a substance is held together by ripping newspapers and stretching marshmallows. Students complete a data sheet.
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Final Worksheet
In this chemistry worksheet, students complete 15 short answer questions and problems on empirical and molecular formula, naming and writing chemical formula of compounds.
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Air Quality Issues
Students study and chart the levels of the atmosphere. They determine volume and location of the whole in the ozone layer by problem solving and drawing Antarctica.
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A Solution for Precipitation
Students predict the product of chemical reaction using the solubility rules. In this chemistry lesson, students balance ionic equation. They perform a lab to check if their predicted products are correct.
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Synthesizing Pigment and Dyeing Cloth
Students create a synthetic dye and oxidize the dye and record the effects.
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Comparing Fractions Showdown
Students work in groups to compare fractions. They check their answers using fraction manipulatives. They write their answers on a white board.
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Making Atoms
In this atoms worksheet, students determine an atoms based on its protons, and neutrons. Students determine the electron levels for the oxygen atom. This worksheet has 1 multiple choice, 4 fill in the blank, and 13 short answer questions.