Curated OER
Sample Midyear Examination (Chemistry and Biology)
A 12-page midterm exam sample can be given to young scientists in preparation for an exam. This particular installment is geared toward a class that delves into both ecology and chemistry concepts. There is no way to separate the 50...
Curated OER
Real Life Chemistry (for the Business World)
In this real life chemistry worksheet, students are given 12 problems to solve by converting from one unit to another. Students are given conversion factors to find their answers including finding the number of moles and molecules.
Curated OER
Chapter 14 Review, Section 3: Acids and Bases
Aside from a mention of a textbook page, this chemistry assignment is a suitable review of acids and bases. It begins by addressing conjugate pairs and acid base reactions. Neutralization and amphoteric properties are also dealt with....
Curated OER
Chemistry: Real Life Chemistry (for the Business World)
In this real life chemistry worksheet, students are given 4 conversion factors and they solve 7 problems using the given conversion factors. They find the number of "widgets" and "watzits" needed to complete a "system". They find their...
Maryland Department of Natural Resources
Eyes on Dissolved Oxygen
Learn about the factors that affect the way oxygen dissolves in salt water with a chemistry lab. After studying the molecular structure of water, young scientists figure out how aeration, temperature, and organic waste affect...
Curated OER
Chapter 2 and 3 Practice Worksheet - Formulas and Compounds
In this formulas and equations worksheet, chemistry apprentices write the chemical formulas given the names. They calculate percent composition, balance equations, and calculate the mass of a substance present in a fertilizer. This is a...
Curated OER
Mixtures, Percentage and Equation Stoichiometry
In this chemistry activity, students answer 2 problems on solution stoichiometry. They calculate the mass of products formed given a certain amount of reactant.
Creative Chemistry
Making Ammonia - The Haber Process
In this fertilizer worksheet, students read background information about how farmers began using nitrogen compounds as fertilizer and how Fritz Haber developed an efficient process. Based on their reading, students complete 10 short...
Curated OER
Periodic Table Puzzle
In this chemistry worksheet, students use the clues given at the bottom of the sheet to solve the crossword puzzle on the Periodic Table. They describe the number of protons and electrons some elements posses, as well as identify their...
National Institute of Open Schooling
Compounds of Carbon Containing Nitrogen
Amines are vital to humans because they help form amino acids, the building blocks of proteins. The 30th lesson in a series of 36 specifically focuses on the organic compounds that contain nitrogen. Learners classify amines and nitro...
National Institute of Open Schooling
p-Block Elements and Their Compounds – I
Lesson 21 in a series of 36 specifically focuses on elements and their compounds from groups 13, 14, and 15 on the periodic table — including boron, carbon, aluminum, silicon, nitrogen, and phosphorus. Classes learn how some of these...
National Institute of Open Schooling
General Characteristics of the p-Block Elements
The 20th installment in a series of 36 focuses on the characteristics of the p-block elements. Learners discuss, read about, and answer questions pertaining to the occurrence of these elements in nature, their electron configurations,...
Curated OER
Chemicals in Your Life
In this chemicals instructional activity, students fill in 61 blanks of statements comparing the chemicals used in farming and the chemicals found in medicines and food.