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
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...
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
Unit 2 ~ Atomic Structure
As an atomic structure reference and review tool, this handout fits the bill. The first page provides definitions and tables of orbitals, electrons, and energy levels. The second page is an opportunity to practice determining numbers of...
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...
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...
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
What Information is on the Periodic Table?
In this elements activity, students review the information that is found on a periodic table including atomic mass, chemical symbol, atomic, number, and electron configuration. This activity has 7 fill in the blank questions.
Curated OER
Isotopes of Pennies
Learners demonstrate that isotopes of an element have different masses. They illustrate atomic mass and neutrons. The periodic table is examined in length. Display of a collection of atoms is surveyed.
Curated OER
Introduction to the Periodic Table of Elements
Young scholars explain how the elements are arranged in the periodic table. In this chemistry lesson plan, students determine the subatomic particles for certain elements. They research the physical and chemical properties of an element...
Science Geek
Measurement of Pressure and Temperature
We all have standards and scientists are no exception. Presentation covers standard temperature, standard pressure, temperature conversions, and absolute zero. It explains pressure using pascals, mm of mercury, atmosphere, and torr, then...
Curated OER
Chemistry Word Search
In this chemistry worksheet, learners locate and identify various vocabulary terms related to chemistry. There are nine words/phrases located in the puzzle to find.
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
Number Theory: Scientific Notation
In this scientific notation worksheet, students solve a total of 10 problems, writing numbers given in problems using scientific notation, then numbers given in scientific notation in standard form.
Curated OER
Scientific Notation Worksheet
In thsi scienfic notation worksheet, students answer 10 questions converting back and forth between scientific notation and standard form. Students write very big and very small numbers using scientific notation.