PhET
Radioactive Dating Game
Uranium 235 has a half-life of over 700 million years and is the fuel used in the atomic bomb dropped on Hiroshima, Japan. Pupils see the half-lives and decay rates of Carbon-14 and Uranium-238. They also take measurements of these two...
Curated OER
Predicting and Naming Polyatomic Ionic Compounds Worksheet
In this compounds worksheet, young scholars write the polyatomic ionic compound formulas or the compound names. This worksheet has 29 problems to solve.
Curated OER
Structure of the Atom
Learners practice drawing the atomic structure of several different elements. They complete critical thinking questions about atomic structure and compare the atomic mass units for different ions and isotopes of an element.
Curated OER
Making Atoms
In this atoms instructional activity, students determine an atoms based on its protons, and neutrons. Students determine the electron levels for the oxygen atom. This instructional activity has 1 multiple choice, 4 fill in the blank, and...
Curated OER
Atoms, Elements, Molecules, and Compounds
In this elements worksheet, students review the Bohr model and define negative and positive subatomic particles. Students compare molecules and compounds. This worksheet has 11 short answer questions and 4 problems to solve.
Curated OER
Atoms, Kinetic Theory, Solids and Fluids
Pupils identify and describe the building blocks that make up an atom. They also compare the ages of atoms to the ages of the materials they compose,as well as, give examples that illustrate the small size of atoms.
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
Calculating the Average Mass of the Newly Discovered Element: Bean
Learners determine the average mass of a new element using masses from three isotopes. For this chemistry lesson, students explain what an isotope is. They discuss their importance and uses.
Curated OER
Compounds and Mixtures Notes
In this matter worksheet, students watch a movie and then compare the differences between compounds and mixtures. This worksheet has 16 fill in the blank questions.
Curated OER
Compounds and Molecules
In this compounds worksheet, students compare separating elements of a compound and substances in a mixture. Students review melting and boiling point. This worksheet has 1 fill in the blank and 5 short answer questions.
Curated OER
The Atoms Family-Atomic Math Challenge
In this atoms instructional activity, middle schoolers determine the number of protons, neutrons, electrons, the atomic mass and the atomic number of 16 elements.
Curated OER
Compounds and Mixtures
In this compounds worksheet, students draw a line to match the word with the definition. Students also match foods with their correct term.
Mr. E. Science
Chemical Reactions
Once I told a chemistry joke, but there was no reaction. Get young chemists involved in changes and reactions with a presentation that begins with physical and chemical changes and chemical reactions. It moves on to chemical...
Cornell University
The Making of Macromolecules
Compare and contrast macromolecules made from the same elements. Young scholars learn how the structure of a molecule has as much influence on a compound as the elements in the molecule. They experiment with molecular model kits to...
Virginia Department of Education
Determining Absolute Age
How can radioactive decay help date old objects? Learners explore half-life and radioactive decay by conducting an experiment using pennies to represent atoms. Young scientists graph data from the experiment to identify radioactive decay...
NOAA
The Incredible Carbon Journey: Play the Carbon Journey Game
Class members explore the carbon cycle in the final installment of the 10-part Discover Your Changing World series. They play a simulation game where they walk through the steps carbon takes as it cycles through the different layers...
National Institute of Open Schooling
Coordination Compounds
Cyanide, a coordination compound, is used in the extraction of gold and silver. Part 24 in the series of 36 delves into the world of coordination compounds. Classes learn, through readings, discussions, and answering questions, how to...
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
Practice Final
A full-fledged practice final prepares pupils for their general chemistry final exam. If they complete these 57 multiple-choice questions correctly, they will be well-prepared. Note: even though the questions are multiple-choice, there...
Curated OER
Physical Science Quiz
Test your class with a physical science quiz. Learners explain chemical processes, name compounds, write formulas for chemical compounds, balance equations, and more.
Perkins School for the Blind
Polyatomic Ion Bingo
If your class is learning about polyatomic ions and needs a fun way to study those chemicals, then a bingo game might be right up your alley. This bingo game is intended to boost memorization skills, specifically the names of tricky...
Chapman University
The Standard Model Poster
Chemistry classes will appreciate this color-coded, single-page reference sheet for The Standard Model of particle physics. It is divided into two main sections: elementary particles and compound particles, both with their antiparticles....
Curated OER
Atomic Structure
A flashy PowerPoint includes clear summaries of atomic structure and electronic configuration. Dot and cross diagrams will help viewers learn how to draw an atom. As a result, learners should be more clear how electronic configuration...
Curated OER
The Periodic Table
A huge collection of slides introduces chemistry learners to the periodic table of elements, electron configuration, and electronegativity. It opens with the history of today's periodic table, and then details the arrangement. After...
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