Worksheet
Curated OER

Covalent Compounds

For Students 9th - 12th
In this covalent compounds worksheet, students answer 8 questions about bonding in covalent compounds, covalent bonds, and diatomic molecules. Students draw 2 dot diagrams showing covalent bonding. They answer 4 questions about bacteria...
Lesson Plan
Curated OER

Indirect Observation

For Teachers 7th - 10th
Students observe obscertainers through indirect observations and make hypotheses about the internal wall structures of the containers. In this indirect observation lesson plan, students make observations of 4 obscertainers with a steel...
Lesson Plan
Curated OER

The Mole

For Teachers 9th - 12th
Students investigate moles and Avogadro's hypothesis. In this moles lesson plan, students complete a worksheet by finding the volume of 1 mole of each substance given its density and they find the number of molecules, the formula, the...
Lesson Plan
Curated OER

World of Plastics and Polymers

For Teachers 7th - 12th
Learners investigate plastics and learn they are giant molecules made of carbon atoms. In this polymers and plastics lesson, students perform 3 activities which all include making polymers from household items such as milk and vinegar,...
Lesson Plan
Curated OER

Osmosis

For Teachers 9th - 12th
Students investigate osmosis and diffusion in a liquid environment. In this osmosis lesson plan, students use dialysis tubing made into bags and filled with 3 different solutions. They observe the movement of water molecules into higher...
Lesson Plan
Curated OER

Matter, Matter

For Teachers 6th - 8th
Young scholars define vocabulary related to the parts of the atom.  For this matter lesson, students navigate the web to find the structure and the forces that affect atoms.  Young scholars complete an experiment with...
Worksheet
Curated OER

What happens When Air is Heated or Cooled?

For Students 7th - 9th
For this pressure worksheet, students write down their observations of a can placed into hot water. They explain what happens to the air molecules and the pressure inside the bottle which causes it to collapse.
Worksheet
Curated OER

Intro to Biology Chapters 1 & 2 Practice Test

For Students 9th - 12th
Don't be fooled by the title - this biology quiz could serve as an AP biology or college-level biology quiz. Some of the molecules represented may be difficult to identify without seeing the textbook from which this is based. It could...
Lesson Plan
Curated OER

Bhopal - Covalent Bonding

For Teachers 9th - 12th
Using the chemicals that leaked in the Bhopal gas tragedy of 1984, chemists examine covalent bonds. Provide for them the chemical reactions and have them draw Lewis diagrams for the molecules involved. That's about all there is to the...
Worksheet
Curated OER

Elements and Molecules

For Students 9th - Higher Ed
For this elements worksheet, students write the electron configuration, structural formula, or Lewis electron dot structure of given elements and compounds. This worksheet has 8 fill in the blank and 3 drawings.
Lesson Plan
Curated OER

Temperature Changes Everything

For Teachers 5th - 8th
Middle school chemists visit interactive websites in order to discover what happens to molecular motion when heat is added to matter. They conduct an experiment that demonstrates the expansion of matter with the addition of heat. A lab...
Worksheet
Curated OER

Chemistry 115 Practice Exam 3

For Students 9th - 12th
Radioactive decay, pH, properties of elements, organic compounds, and stoichiometry are all touched upon through this practice chemistry exam. It always helps learners to take a practice test in preparation for the actual exam. This...
Worksheet
Curated OER

Percentage Composition

For Students 9th - 12th
In this chemical compounds worksheet, students determine the empirical formula or the molecular formula for the compounds given. Students calculate percent composition. This worksheet has 10 problems to solve.
Worksheet
Curated OER

Percentage Composition and Empirical & Molecular Formula

For Students 10th - 12th
In this compounds activity, students determine the empirical and molecular formulas for given compounds. This activity has 10 problems to solve.
Lesson Plan
Virginia Department of Education

Molecular Model Building

For Teachers 9th - 12th Standards
During this hands-on activity, young chemists build molecular models based on the Lewis dot structure before studying valence shell electron pair repulsion theory. 
Interactive
Spark Notes

Review of Chemical Bonding: Review Test

For Students 9th - 12th
This is an online exercise in which chemistry learners answer a series of multiple choice questions about bonding. Topics addressed include ionic and covalent bonds, electronegativity, ions, valence electrons, resonance structure, and...
Activity
1
1
Teach Engineering

Gumdrop Atoms

For Teachers 5th - 7th Standards
There's nothing sticky about the resource, unless you count the gumdrops! Scholars create a model of a lithium atom, complete with protons, neutrons, and electrons. It's just that these models are made with gumdrops and toothpicks.
PPT
1
1
Cengage Learning

COVID-19 and Coronaviruses

For Teachers 6th - 12th
COVID-19 = CO (corona) + VI (virus) + D (disease) =19 (the year the disease first appeared) NOVEL (unknown to scientists and never before infected human patients). A colorful nine-slide presentation details what is currently known about...
Lesson Plan
Curated OER

Investigation of Crystallinity in Polymeric Materials

For Teachers 11th - Higher Ed
A kaleidoscope is constructed using polarizing polymer paper and then low-density polyethylene, high-density polyethylene, and polypropylene are all melted onto individual glass slides and examined through a microscope. The intent is to...
Lesson Plan
Curated OER

Using a Controlled Experiment to Identify Two Unknown Plasmids

For Teachers 10th - 12th
Student demonstrate knowledge of recombinant DNA techniques (restriction enzyme digest, gel electrophoresis, and staining gel). They demonstrate skills needed to complete a gel electrophoresis and interpret a stained gel. Pupils solve...
Lesson Plan
Curated OER

DNA Extraction

For Teachers 9th - 10th
Students discover the basic structure of DNA and its function in living organisms by conducting an experiment in which they extract DNA from bananas using a lysis buffer solution.
Lesson Plan
Curated OER

Chemistry Practice

For Teachers 10th - 11th
In this chemistry overview worksheet, students calculated the volume of different gases and liquids given in a word problem. Students had to calculate the molecular mass and write the empirical formula and the molecular formula.
Lesson Plan
Curated OER

Bonding Exercises

For Teachers 10th - Higher Ed
In this chemical compounds worksheet, students complete a graphic organizer by determining the electron dot formula, molecular shape, bond angle, bond polarity, and molecular polarity for 7 given compounds.
Worksheet
Curated OER

WS 7.1.3 Molecular and Ionic Compounds

For Students 10th - 12th
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.

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