Curated OER
Electron Arrangement and Ion Formation
In this elements worksheet, students determine how electrons fill up the energy levels for the first 18 elements of the periodic table. Students determine if elements gain or lose electrons to form a stable ion. This worksheet has 4...
Curated OER
Periodic Table
For this periodic table worksheet, learners determine why the periodic table is organized the way it is and compare and contrast the characteristics of the different grouping of elements. This worksheet has 22 short answer and 36 fill in...
Curated OER
Acid, Base, or Salt?
In this acids and bases worksheet, students read about the differences between acids and bases and then complete a table comparing the characteristics of both. Then students determine if the given statements describe an acid, base, or...
Curated OER
Recognizing Polar Molecules
In this polar molecules worksheet, students complete a graphic organizer by writing in the bond type, electron dot diagram, and the type of compound for the chemical compounds given.
Curated OER
Explorit's Coffee, Tea or Chocolate Quiz
In this coffee and tea worksheet, students complete a six question multiple choice on-line interactive quiz about the cultivation and chemistry of coffee, tea and chocolate.
Curated OER
pH Pre-Lab: Acids and Bases
In this chemistry lab, students determine whether or not their saliva is acidic, basic, or neutral. After completing their test, they answer 6 analysis questions.
Curated OER
Chemical Equilibria
In this chemical reactions learning exercise, learners determine how mixtures shift toward reactants or products to reach equilibrium. For given reactions, learners determine how concentrations will change when adding or removing gases...
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Where are the Electrons?
In this electrons instructional activity, students complete a graphic organizer to show the pattern of the principal energy levels, number of orbitals, and electrons in each sublevel of atoms.
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Root, Root, Root for the Nutrients
Students observe the growth of a seed, predict what will happen when seeds are planted without soil, and conduct an experiment using a hydroponics system.
Curated OER
LD50 of NaCl to Gammarus spp.
Learners learn the meaning of LD50 through lecture and discussion. Through experiment, students graph and calculate the LD50 of salt on fresh water amphipods. Learners compare results of the experiment with pesticides and pollutants.
Curated OER
Review of Ionic and Covalent Compounds and Transitioning from Ionic to Covalent Compounds
Here is a unique assigment: compare and contrast ionic and covalent compounds in an extensive data table and then analyze Lewis dot structures in antoher. Three columns are to befilled in: "characteristic or feature," "applies to ionic...
Virginia Department of Education
Atomic Structure: Periodic Table
The fifth lesson of seven in the series outlines an in-depth analysis of the periodic table. After direct instruction, pupils take turns practicing in the group before beginning independent study. The assessments include a...
Virginia Department of Education
Charles’ Law
Searching for a relatively interesting way to demonstrate Charles' Law? Here is a lesson plan in which pupils heat air inside a flask and then cool the flask to quickly cool the air. They make observations about what occurs during...
Curated OER
Where is That Light Coming From?
Young scholars investigate the chemistry of bioluminescence and discuss how various organisms benefit from this trait. They prepare a report about of at least one organism that receives each of the benefits discussed.
Curated OER
Periodic History
Students gain a perspective in the development of chemistry. They understand some of the topics in their text and the ongoing nature of research. They then will be able to see the trends of the periodic table first hand through their own...
Curated OER
Rock Eaters of the Gulf of Alaska
Students compare and contrast the processes of photosynthesis and chemosynthesis. They identify and describe sources of energy used by various organisms for chemosynthesis.
Curated OER
Ecology: Symbiosis
Eighth graders identify various types of symbiotic relationships. In this ecology activity, 8th graders predict whether certain organisms can form symbiosis with other organisms. They discuss and defend their reasoning.
Curated OER
Hierarchical Structure
Pupils practice using the request, response, result method to solve problems. Using one problem as an example, they break it down into multiple problems to be solved one at a time. They identify instances of hierarchical organization...
Curated OER
2005 Hidden Ocean Expedition What's Eating You?
Analyze data and make inferences about the trophic position of organisms in the Canada marine food web. After a review of the geography and formula, discuss results and write an essay to improve the understanding of Artic food webs.
Curated OER
Into the Pond
Seventh graders use a pond to explore macroinvertebrates and other organisms. They use a dichotomous key to classify the organisms and maintain a journal recording their findings.
Curated OER
Water Testing
Students work together to design their own experiment to test developed hypothesis about the minerals in water. As a class, they discuss the main components of water quality and describe the chemistry behind the hardness assay. They...
Curated OER
Acid-Base Calculations
In this acid-base learning exercise, students calculate the pH of given solutions and determine if given solutions are acids, bases, or neutral. This learning exercise has 3 graphic organizers and 4 problems to solve.
Virginia Department of Education
Laboratory Safety and Skills
Avoiding lab safety rules will not give you super powers. The activity opens with a demonstration of not following safety rules. Then, young chemists practice their lab safety while finding the mass of each item in a mixture and trying...
Curated OER
Final Exam Practice - General Biology
A 17-page practice final exam for a college-level introductory biology course is contained in this resource. Matching and short answer questions cover every topic that you would expect to teach during an advanced biology course including...
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