Curated OER
Atomic Structure
A basic presentation to introduce some of the terminology regarding atomic weight, atomic structure, and atomic number awaits your students. An example of the calculations finding average atomic mass for carbon is given, and a way of...
Curated OER
Atomic Weight
For this atomic weight worksheet, students follow directions to complete an experiment with nuts, a scale, and calculator to calculate atomic weight. Students then answer 6 questions.
Curated OER
Average Atomic Mass
Using a chart of student test grades as an example, curious chemists learn how to calculate weighted averages. They apply this knowledge to elements on the periodic table. As practice in calculating average atomic masses, learners...
Curated OER
Atomic Mass, Moles, and the Periodic Table
In this periodic table worksheet, students review atomic mass, molar mass, and percent composition of compounds. Then students complete 4 problems.
NASA
MASS, MASS – Who Has the MASS? Analyzing Tiny Samples
What is it worth to you? A hands-on lesson plan asks groups to collect weights of different combinations of coins and calculate weighted averages. They use the analysis to understand the concept of an isotope to finish the third lesson...
Virginia Department of Education
Average Atomic Masses
Facilitate learning by using small objects to teach the principles of atomic mass in your science class. Pupils determine the average mass of varying beans as they perform a series of competitive experiments. They gather data and...
Curated OER
Isotopes and Atomic Mass
In this isotopes worksheet, students calculate an average atomic mass of specific elements. This worksheet has 4 problems to solve.
Curated OER
Distinguishing Between Atoms
Every type of question is used to query young chemists about atomic structure. A vocabulary list tops the page before fill in the blanks, true/false, and matching questions are listed. This is a neatly formatted and pertinent worksheet...
Kenan Fellows
Isotopic Pennies
Many people confuse atomic mass and atomic numbers. The sixth of seven lessons in a unit requires scholars to find the weight of different groups of pennies. Then, they must solve how many of each type of penny exists in a closed system...
National Institute of Open Schooling
Mole Concept
Learners explore atomic measurement in the first activity in a series of 36. Through readings, activities, and questions, classes review standard SI units, learn about Avogadro's constant, and use it to help them calculate moles. They...
Curated OER
Earth and Beyond
In this earth and beyond worksheet, students answer short answer questions about the atmosphere, the chemical compounds in Earth's atmosphere. Students visit different websites to conduct research of the discoveries of the scientist who...
Curated OER
History of the Atom
This is a tremendous overview of the tiny atom. Journey through the history of human understanding of this basic building block of matter. Examine each of the sub-atomic particles in detail: neutrons, protons, electrons, quarks. Peruse...
Curated OER
Atomic Structure and Quantum Theory
Students are introduced to the structure of an atom and Dalton's atomic theory through a short video and mini-lecture. They also take a look at the weight of mass and become familiar with the idea of quantum theory
Curated OER
Chemical Elements
In this elements worksheet, students determine the number of moles and the number of protons, electrons, and neutrons for given atoms or ions. Students calculate the atomic weight of an element. This worksheet has 3 fill in the blank and...
Curated OER
The Mole
In this moles worksheet, students read about mole and learn how to calculate the number of moles in specific mass of compounds. This worksheet has 14 problems to solve.
Curated OER
Using a Spreadsheet to Understand Density
Learners use density to identify what metal a gold colored weight is made of. They use a spreadsheet to graph the experimental density of common metals and compare the know densities to their calculated density of the known metal.
Colorado State University
What Causes Pressure?
Are you feeling the pressure? Let loose a little with a kinesthetic activity that models molecular motion in a closed space! The activity varies conditions such as volume and temperature and examines the effects on molecules.
Curated OER
AP Chemistry Thermochemistry 2
In this thermochemistry learning exercise, students solve a variety of problems including finding heats or reactions, determining specific heats of substances, finding the amount of energy released in a calorimeter determining the final...
Chymist
Empirical Formula of a Compound
Because of the work of John Dalton, we are able to write formulas for compounds. The hands-on experiment has scholars prepare a compound from its elements. Using mass data, individuals write the empirical formula for the compound.
Curated OER
Properties of Matter
Ninth graders explore the molecular structure of matter and how it can affect the physical characteristics of a specific material. They demonstrate that isotopes of an element have different masses. Students demonstrate that the rates of...
Curated OER
Force and Acceleration
In this force and acceleration worksheet, students solve 3 problems about moving objects, the forces working against them, the mass and their acceleration. Students determine if 6 statements about a falling elephant and a falling feather...