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Atomic Structure
In this atomic structure worksheet, students explain that an atom is made up of protons, neutrons and electrons. Then they explain that the atomic number is equal to the number of protons and the mass number is equal to the number of...
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Atoms, Molecules, and Chemical Bonds
In this atoms worksheet, students review the parts of an atom, Bohr diagram, atomic number, mass number, and covalent bonds. This worksheet has 5 drawings and 26 fill in the blank questions.
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Science: Not just Gold
Students articulate a possible relationship between arsenic and gold deposits in a written statement using data to substantiate the relationship they describe. They use real data to determine the source of the arsenic in the drinking...
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The Interactive Periodic Table of the Elements
Pupils study the different types of metals. In this investigative lesson students watch a demonstration on the effects of temperature on atoms and take a tour through baone matter.
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Science Quiz-General Knowledge
In this science quiz worksheet, learners complete a set of 20 true or false questions covering a variety of general science topics. An answer key is included.
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Science Vocabulary Crossword
In this science vocabulary worksheet, 6th graders complete a puzzle using a set of definition clues. A reference web site is given for additional activities.
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Losing and Gaining Electrons
In this electron worksheet, learners read about how atoms lose and gain electrons and how they become ions. They are given a table with nine elements and they give the electron configuration, the number of electrons, the number of...
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Atomic Weight
In this chemistry worksheet, students read about atoms, their charges, and their parts; protons and neutrons. They examine how to determine atomic weight by looking at an example. They work online as they practice finding the atomic...
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Periodic Table
For this periodic table and elements worksheet, students review valence electrons, octet rule, oxidation number, and the difference between metals and non-metals on the periodic table. This worksheet has 5 matching, 20 fill in the blank,...
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Activity #3 Are Particles "Real?"
Students verbalize a simple particle theory, They apply their particle theory to explain what happens during chemical reactions and how this theory supports the law of conservation of matter. Pupils comprehend that the atomic theory,...
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Relative Masses
Students investigate relative mass using 8 different items. In this relative masses lesson plan, students discuss as a class John Dalton's atomic theory. They take the masses of the 8 items and record their data. They discuss relative...
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It's the Law: Periodically
Ninth graders examine the Periodic Table. In this element lesson, 9th graders observe the chemical reactivity of elements. They graph the properties and discuss the trend in the group and period of elements. The students use math to...
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Types of Matter
In this matter worksheet, students will read 11 clues on the topic of the different types of matter and put the answers into a crossword puzzle.
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Electron Configuration Worksheet
In this chemistry activity, students complete the table for each element by writing the electron configuration of the element and giving the values of the four quantum numbers. They also create an energy level diagram for their element...
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Bonding
In this bonding worksheet, students read about the octet rule in bonding, ion notation, ionic bonds, covalent bonds and oxidation numbers. Students write 2 ion notations, they determine if 8 sets of ions will make compounds, they draw 2...
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Periods and Groups; Valence Electrons; Masses
In this periods, groups, valence electrons and masses learning exercise, learners are given information about all these components of the periodic table. Students identify 4 elements in specific periods and groups, they find the valence...
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Integrating Physics-Atomic Fingerprints
In this atomic fingerprint worksheet, students read about the Bohr model and electrons changing energy levels and emitting energy. They answer questions about the atomic spectrum and the fingerprints for specific atoms.
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Alkali Metals
Students explore the unique properties of alkali metals. In this chemistry instructional activity, students create a mural of fireworks display after researching its different element components. They write a brief description about an...
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Bonding Basics Review
In this bonding learning exercise, students complete a chart of elements, their symbols, the total number of electrons, the number of valence electrons and the oxidation numbers. They draw Lewis structures for atoms and show the transfer...
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Reading Chemical Formulas
Young scholars interpret basic chemical formulas. When class begins, students interpret a "chemical formula" for fruit salad. After they interpret the recipe, young scholars use the same strategies to identify chemical formulas. They...
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Oxidation/Reduction Reactions
In this chemical reactions learning exercise, students review the oxidation number rules and then assign oxidation numbers to atoms in given compounds. Students identify the reducing agent and the oxidizing agent in reactions. Students...
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Periodic Table Trends
In this periodic trends learning exercise, students solve ten problems related to elements in the periodic table. Students write electron configurations for atoms and they compare elements and their periodic trends.
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Periodic Table
In this periodic table worksheet, students are given 12 terms and must match the terms to their appropriate definition. Topics include types of bonds, types of elements, and types of ions.
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Molecular Mass and Percent Composition
For this molecular mass and percent composition worksheet, students complete 5 sections where they determine atomic masses of given elements, they determine formula masses for given molecules, they find the molecular mass of 12 molecules...