Counting Atoms Teaching Resources :: 241

Curated OER

Drops on a Penny

For Teachers 8th

Eighth graders experiment to determine the number of drops of water a heads up penny hold. They create a stem and leaf graph of the class results and use the data for further experimentation on a tails up penny.

Get Free Access See Review

Curated OER

Uranium On a Diet

For Teachers 11th - 12th

Students examine how nuclear reactions differ from other chemical reactions they have studied. They add up atomic masses of both the product and reactant side of an example of uranium decomposition, demonstrating mass loss involved.

Get Free Access See Review

Curated OER

Science Quiz-General Knowledge

For Students 4th - 6th

In this science quiz activity, students complete a set of 20 true or false questions covering a variety of general science topics. An answer key is included.

Get Free Access See Review

Curated OER

Hang a Million

For Teachers 3rd - 10th

Students hang 200 sheets of paper, each with 5000 X's, around the classroom. When completed, this gives them a concrete example of 1,000,000 which will be useful in getting a feel for the lengths of time involved in evolution.

Get Free Access See Review

Curated OER

Radioactive Decay/Half Life

For Teachers 5th - 9th

Pupils demonstrate radioactive decay using candy corns. In this Physics lesson plan, students make predictions, collect data and form conclusions about patterns in radioactive decay.

Get Free Access See Review

Curated OER

Science-Introduction to the Unit on Matter

For Teachers 1st

First graders gain knowledge about solids, liquids and gases by taking a look at the things around them. They have to classify certain picture cards based on which category they feel the picture falls under. As a whole, the class...

Get Free Access See Review

Curated OER

Where's the Evidence?

For Teachers 8th

Eighth graders observe evidence of chemical reactions. In this chemical reactions instructional activity students study chemical processes and complete a lab activity.

Get Free Access See Review

Curated OER

Physical and Chemical Changes

For Teachers 6th

Sixth graders complete several experiments about chemical and physical changes. In this physical and chemical science instructional activity, 6th graders complete 6 experiments about chemical and physical changes. Students examine the...

Get Free Access See Review

Curated OER

Calculating the Average Mass of the Newly Discovered Element: Bean

For Teachers 10th - 12th

Students determine the average mass of a new element using masses from three isotopes. In this chemistry lesson, students explain what an isotope is. They discuss their importance and uses.

Get Free Access See Review

Curated OER

Teaching Place Value

For Teachers 2nd - 4th

Utilizing mathematical literature and games are two excellent ways to introduce and teach place value.

See Review

Frostburg State University

General Chemistry Online: Atoms & Ions

For Students 9th - 10th

This site from the General Chemistry Online of the Frostburg State University provides a review of the history of atomic theory, the discovery of the electron, and the discovery of the nucleus. Details on weighing atoms, ion charges,...

Get Free Access See Review

University of Colorado

University of Colorado: Physics 2000: Elements as Atoms: Electron Clouds and Energy Levels

For Students 9th - 10th

An explanation of the different types of atomic orbitals, how they are filled according to the Pauli Exclusion Principle, and how many electrons can fit in each electron shell.

Get Free Access See Review

CK-12 Foundation

Ck 12: Plix: Balancing Chemical Equations

For Students 9th - 10th

[Free Registration/Login Required] Before you can balance an equation, you need to count the number of each atom present in the reactants and products. Using the example that is shown here, apply the numbers and table to track how many...

Get Free Access See Review

Khan Academy

Khan Academy: Photoelectron Spectroscopy

For Students 9th - 10th

An explanation of how photoelectron spectroscopy can be used to detect electron structures in atoms or molecules.

Get Free Access See Review

Friesian School

Proceedings of the Friesian School/the Quantacized Atom

For Students 9th - 10th

A very lengthy page from friesian.com discussing Bohr's theory of electronic energy levels and the explanation of commonly observed atomic emission line spectra. The concept of a photon and Einstein's observation of the photoelectric...

Get Free Access See Review

University of Colorado

University of Colorado: Ph Et Interactive Simulations: Build a Molecule

For Students 9th - 10th

Starting from atoms, see how many molecules you can build. Collect your molecules and see them in 3D.

Get Free Access See Review

CK-12 Foundation

Ck 12: Chemistry Simulation: Mole Carnival

For Students 9th - 10th

[Free Registration/Login Required] In the mole carnival, students count the number of atoms and particles in different objects found at the carnival. As students work to find the number of particles, they practice counting particles by...

Get Free Access See Review

State University of New York

State University of New York: Determining Electron Pair Geometry

For Students 9th - 10th

The electron-pair geometry of a molecule or ion depends on the number of structurally significant electron pairs in the central atom. Here students are asked to count the number of lone electron pairs and bonded atoms on the central...

Get Free Access See Review