Curated OER
Oxidation Numbers
In this oxidation numbers worksheet, students determine the oxidation number for given elements and draw Lewis Dot Diagrams. This worksheet has 6 fill in the blank and 11 short answer questions.
Curated OER
Metals and Nonmetals
In this elements worksheet, students determine if the given elements are metals or nonmetals. Students give the valence electrons for other elements. This worksheet has 10 fill in the blank questions.
Curated OER
Families of Elements
In this elements worksheet, students classify the given elements according to where they are located in the periodic table. This worksheet has 1 short answer and 4 fill in the blank questions.
Curated OER
Elements, Compounds, and Mixtures
In this elements, compounds, and mixtures worksheet, students answer questions about the properties of elements, mixtures, and compounds. Students identify the physical changes that is made to a substance to determine if it is an element.
Science Geek
Covalent Bonding
When it comes to covalent bonds, sharing is caring. Presentation covers the octet rule with multiple examples, Lewis Dot Structures with an example, and resonance. Presentation is the first in a five-part series.
Science Geek
Naming Binary Molecular Compounds
She has been reading that book about helium all day; she just can't put it down! Presentation begins with the rules for naming binary molecular compounds using prefixes and suffixes. After a list of prefixes for review, it offers guided...
Curated OER
Up and Atom
"Up and Atom" is a mini-unit introducing middle-schoolers to the wonders of elements. Participants draw atom models, examine the periodic table, compare samples of metals to nonmetals, identify unknown elements, and more! The beginning...
Curated OER
Naming and Writing Chemical Formulae-I
For this naming and writing chemical formulas worksheet, high schoolers are given directions and practice writing simple chemical formulas. They identify positive and negative valence elements, they name nonmetal compounds, they name...
Curated OER
Periodic Table Assignment
In this periodic table worksheet, students complete a crossword puzzle given 22 clues about elements in the periodic table, periodic law, properties of elements and atomic mass and number. Students also fill in a periodic table to...
Curated OER
What are the Trends in the Periodic Table?
In this periodic trends worksheet, students fill out a portion of a periodic table with the atomic number, the atomic radius, the number of shells and the number of outer shell electrons for each element shown. They answer six questions...
Curated OER
Elements
In this elements worksheet, students write in the symbol of the chemical element that matches its description. This worksheet has 10 fill in the blank questions.
Curated OER
Building Blocks of Matter
In this science worksheet, students identify different parts of one element from the periodic table. Students also complete a chart by writing the appropriate characteristics for metals, metalloids, and nonmetals.
Curated OER
Using the Stock System
In this compounds worksheet, students learn the rules for naming compounds, the stock system. Students apply these rules by writing the names or formulas for the 20 given compounds.
Curated OER
One for the Money
Eighth graders sort items as they are shown one at a time by the teacher. They attempt to identify the one physical trait the teacher is looking for (metal and not metal). After several objects have been shown and placed in groups, the...
Curated OER
Ions and Ionic Compounds
In this ions worksheet, high schoolers use a charge chart in a textbook to determine the charges of different types of compounds. This worksheet has 24 fill in the blank questions.
Curated OER
Size of Atoms - Trends
This compendious collection of slides leaves no questions when it comes to the concept of atomic size. Thorough and easy-to-read graphs, tables, and graphics explain atomic radii, the shielding effect, the octet rule, isoelectric...
K12 Reader
Elements & Atoms
Study matter in a new way with a cross-curricular assignment for language arts and math. Learners answer five reading comprehension questions after reading a few paragraphs about the periodic table, properties of elements, and how atoms...
Curated OER
Magnificent Magnets
Students identify the properties of a magnet. In this physics lesson plan, students explore the strength of the magnet by testing out how a magnet reacts to various materials. The various objects the students test include paper clips,...
Agency for Toxic Substances and Disease Registry
Don't Mess with Mercury (Lesson B)
At one point, people thought mercury was therapeutic for humans, but now we know it is highly toxic. The second of three activities covering mercury focuses on its health hazards if humans are exposed. Pairs research and answer questions...
Curated OER
Periodic Table of Elements
Beginning chemists examine a collection of elements and compounds as they are introduced to the periodic table. The lesson plan is not cohesive and does not provide detailed instructions on how to teach it. However, it does includes a...
Curated OER
Magnets
Second graders classify objects and create hypotheses regarding their magnetic properties. They watch a video about magnets and finally use a magnet to test their hypotheses created earlier.
Curated OER
Introduction to the Periodic Table
Eighth graders investigate the different elements of the Periodic Table. In this chemistry lesson, 8th graders pick an element to research, then present to the class using a powerpoint presentation or a poster.
Curated OER
Binary Hydrogen Compounds
Viewing this slide show prepares your chemistry scholars for chemical nomenclature. Specifically, binary hydrogen compounds and ternary compounds formed from oxyacids are dealt with. One highlight is a useful graphic organizer for naming...
Curated OER
WS 7.1.3 Molecular and Ionic Compounds
In this compounds activity, students name ionic and molecular compounds given their formulas. They also write the formulas for molecular and ionic compounds given their names.