Royal Society of Chemistry
Flame Test Colours
Scientists identify elements by the color of flame they produce because each element is defined by exactly one line on the emission spectrum. By completing a series of puzzles, scholars reinforce their knowledge of the results of flame...
Royal Society of Chemistry
Forensic Tests
Flame tests determine if there is a specific metal in a chemical compound. Young forensic scientists review their understanding of flame tests and hydroxide precipitates by solving puzzles. The timed review encourages mastery.
Pingry School
Flame Tests
Light a fire in your pupils! Scholars conduct a flame test and observe the emission spectra of several different salts in an enlightening hands-on investigation. They use their observations to make comparisons and conclusions about the...
Curated OER
Lab Tests, Results, and Sulfuric Acid
You may want to change the title of this chemistry PowerPoint to "Identifying Compounds in the Laboratory." Individual slides explain tests that can be performed to confirm what element you have: carbon dioxide, carbonates, and metal...
Royal Society of Chemistry
Hydroxide Precipitates
When two liquids combine and a solid forms, the new substance is called a precipitate. Scholars test their knowledge of hydroxide precipitates and their properties. A series of four increasingly difficult puzzles challenge their logic...
Curated OER
Qualitative Analysis
In this qualitative analysis worksheet, students read about all the different tests that can be done in chemistry to give qualitative results. Tests include flame tests, forming precipitates with sodium hydroxide, using sodium hydroxide...
Curated OER
The Three E's - Exciting Energetic Electrons
Students perform flame tests on salts and record the electron configurations for various cations. They analyze and record the results using spectroscopes.
It's About Time
Identifying Matter
High schoolers test wood splints that have been soaked in mystery solutions to identify the different colors it produces when lit. The lesson concludes with a reading passage and analysis questions.Â
Curated OER
Chemical Sleuthing
Students engage in a lesson which includes flame tests and the construction of a simple diffraction spectrograph with which to measure sodium ion emissions. They use the Bragg equation to compute the wavelength of the line spectra produced.
Cornell University
What Happens When We Excite Atoms and Molecules?
Excited atoms lead to exciting lessons! Learners use heat and light to excite both atoms and molecules. They display their learning in the form of Bohr models depicting the excited state of the atoms.
Curated OER
Atomic Structure - Part A
Students describe the structure of atoms, including the particles that make them up. They recognize that key scientists and experiments have contributed to the changes
in the Atomic Theory.
Royal Society of Chemistry
Ionic Formulae 2
Scientists call ions with a negative charge anions. Scholars work through one matching puzzle and four logic puzzles reviewing the chemical formulas for anion ions. Each level increases in difficulty and solidifies the concept in pupils'...
Curated OER
Activity #17 Co2 From Alka Seltzer
Students observe what occurs when Alka Seltzer tablets are added to water. They explain why water stays in the jar when it is above the surface of the water. Pupils test for the presence of carbon dioxide by conduting the match test.
Royal Society of Chemistry
Moles Equations (14-16)
In chemistry, the mole is a unit of measurement, much like a millimeter or liter. After learning about moles, scholars learn various equations relating to mass, volume, and concentration. They review each of these equations in a few...
Royal Society of Chemistry
Sub-Atomic Particles (14-16)
In 1897, J.J. Thomson discovered the electron, the first subatomic particle proven to exist. Scholars review their understanding of electrons, protons, and neutrons as they work through the puzzles. Each puzzle connects two or three...
Royal Society of Chemistry
State Symbols
When water is a solvent in a chemical equation, we consider it an aqueous solution. Scholars match the name of four states of matter to their proper symbol in a chemical equation. Four puzzles provide repetition to help pupils remember...
Royal Society of Chemistry
Units of Volume
Did you know in the UK a quart is smaller than in America? This explains why a standard unit of measure is necessary for volume. Young scientists learn the similarities and differences between five different units used to measure volume....
Royal Society of Chemistry
Types of Bonding
A covalent bond yells at an ionic bond, "Didn't anyone teach you to share?" Four matching puzzles allow pupils to review covalent, ionic, and metallic bonding. They apply logic and problem solving to complete gridlocks including the...
Royal Society of Chemistry
The Blast Furnace
The largest chemical reactors are blast furnaces, used to make iron from ore. Scholars explore reactants by first matching each one to its purpose and formula. Then, a series of three gridlock puzzles reinforce the content while...