Chymist
The Solubility of a Salt in Water at Various Temperatures
An educational lesson allows young chemists to test the solubility of different types of salt at various temperatures. Groups create a graph using data from unsaturated, saturated, and supersaturated solutions.
It's About Time
Chemistry and Physical Changes
Engage the class like never before as pupils learn to differentiate between multiple physical and chemical changes by conducting a list of small experiments, most often with household materials. They make observations and discuss the...
Teach Engineering
Hydrogen-Oxygen Reaction Lab
High schoolers conduct an experiment using the reaction of hydrogen and oxygen. After pairs balance the chemical equation for making water, they mix different ratios of hydrogen and oxygen in a chemical reaction. Classmates...
It's About Time
Color Reactions that Involve the Transfer of Electrons
Demonstrate the aging of materials as you assist the class in creating rust. Individuals demonstrate oxidation-reduction reactions that result in the rusting of materials, differentiate between materials that will and will not rust, and...
Herff Jones Education
Acids, Bases, and Indicators—Colorful Chemistry
Lead the class in a colorful exploration of acids and bases as they learn to differentiate between the two. They identify common items considered acidic and basic, then explore their strengths and weaknesses. They titer solutions and...
Herff Jones Education
Reaction Rates
Equip pupils with tools to determine reaction rates as they explore conditions that cause a reaction to increase or decrease. They also discuss why this occurs and predict the next steps as they take part in a series of experiments.
Herff Jones Education
Chemical Energy
Provide the class with a quick lesson on chemical energy as they are assisted in creating hot and cold packs to demonstrate energy transfer between objects. They observe the energy change in matter as it transforms and distinguish...
Herff Jones Education
Chemical Equations
Allow the class to play the role of "mind reader" as they predict the products of single and double displacement reactions. They also categorize reactions according to each type and balance chemical equations using the conservation of...
It's About Time
Chemical Names and Formulas
Abracadabra! Provide your class with the tools to perform a chemical "magic show" as they predict the charges of various ions, determine ionic compound formulas, and make observations to determine when a chemical reaction between two...
It's About Time
What Determines and Limits an Atom's Mass?
Provide learners with the tools to further understand nuclear energy and isotopes. Young chemists investigate the components of an atom's nucleus, use symbols to represent various isotope forms, and use the percent abundance of an atom's...
It's About Time
How Atoms Interact with Each Other
Connect the dots and assist young chemists as they demonstrate covalent and ionic bonding. Class members use their knowledge of valence electrons to predict compound formulas as they arrange electrons into various bonding structures to...
It's About Time
How Electrons Determine Chemical Behaviors
Lead the class on an investigation as they play detective and locate patterns in the electron arrangement of atoms. During the seventh lesson, they assign valence numbers to elements, organize the periodic table in the correct sequence,...
It's About Time
Atoms with More Than One Electron
Provide young chemists with the ability to manipulate atoms and predict their results, in this sixth lesson. Pupils analyze energy patterns as they predict the amount of energy required to remove electrons from atoms. They compare trends...
It's About Time
The Chemical Behavior of Atoms
Assist your class with this colorful activity as learners view and interpret changes in the hydrogen atom. They discuss concepts of the electromagnetic spectrum and use Bohr's model to predict wavelengths and light patterns,...
It's About Time
Are Atoms Invisible?
Wow, an experiment that allows the class to participate in a missile war! Pupils discuss Thomsons's theory of cathode rays and simulate Rutherford's historical experiment to learn about atomic structure. They conclude this fourth lesson...
It's About Time
Atoms and Their Masses
Are atoms too small to be isolated? Answer this question and more as you provide young chemists with the tools to conduct a hands-on activity demonstrating atomic mass. Pupils explore the mass of copper and aluminum, compare Dalton's...
It's About Time
Elements and Their Properties
How did ancient scientists classify elements? Answer this question and others as young chemists create a device to test the properties of various elements. They classify elements as metals or nonmetals, learn to differentiate between...
Virginia Department of Education
Partial Pressure
At some point, everyone has been under pressure—even Dalton! Explore Dalton's law of partial pressures with young chemists as they measure the volume of air extracted from a sample compared to its original volume. Class members perform...
Virginia Department of Education
Molar Heat of Fusion for Water
How can you describe heat of fusion in a way the class understands and relates the importance of this concept to present day issues? In this third instructional activity of the series, learners conduct an experiment, demonstrating the...
Department for Children, Schools and Families
Explaining Change Processes Using a Simple Particle Model of Matter
The more things change, the more they stay the same. This unit includes seven lessons starting with physical change and moving through to chemical change. Conservation of matter is explained clearly with multiple hands-on activities and...
Chymist
Temperature
Three Dog Night isn't just the name of a band; it is also the way an Australian tribe, who used dogs to stay warm, would describe the temperature on a cool evening. After reading about many different ways of measuring temperature, the...
Steinhardt Apps
Kinetic Molecular Theory
Building off young chemists' knowledge of the states of matter, kinetic molecular theory is the focus of the unit. Eight days of lessons including multiple demonstrations, one lab experiment, directed instruction, and worksheets,...
NASA
Making Oxygen and Carbon Dioxide
Some like it hot! Scholars observe both exothermic and endothermic reactions as part of the carbon dioxide oxygen cycle. First, scientists demonstrate (or watch) a chemical reaction to create pure oxygen using fire for confirmation....
Virginia Department of Education
The Colligative Properties of Solutions
How can you relate colligative properties of solutions to everyday situations? Pupils first discuss the concepts of density, boiling and freezing points, then demonstrate how to accurately determine the boiling and freezing point of...