American Chemical Society
Defining Dissolving
Physical science investigators mix sugar and food coloring into different cups of water and cooking oil to compare how the solid and liquid behave in each. As the introduction to this unit on dissolving, it is relevant.
American Chemical Society
Using Dissolving to Identify an Unknown
There is a solvent called aqua regis that can dissolve gold! After observing a solubility demonstration, groups receive four known crystals and one unknown. Based on the demo, they design an experiment to determine the identity of the...
Olomana School
Mixtures and Solutions: Paper Chromatography Experiment
Why does some ink bleed through paper, and other ink doesn't? Practice some paper chromatography to separate the colors from a pen with an interactive experiment for middle and high schoolers. Learners use a variety of solutions to track...
Curated OER
Adventures With Super-Absorbers and Substance Solubility
Young scholars understand the concepts of absorption, swellability and solubility and recognize that science is all around us in our everyday lives and is fun to explore.
Curated OER
The Influence of Initiator Concentration on the Molecular Weight of Polystyrene
This in-depth organic chemistry lab walks learners through an investigation of the effect of initiator concentration on the resulting molecular weight of polystyrene. It is important that you use this lesson with experienced chemistry...
Pingry School
Solubility Product of an Ionic Compound
How do scientists determine when a solution is fully saturated? Scholars address the topic as they observe patterns of precipitation in various concentrations of ions. Using a well plate, pipette, and common chemicals, they collect data...
Curated OER
One Sweet Experiment
This resource is designed to be used as a lab sheet when experimenting with the dissolution of sugar in water. It's very nice in that it follows the scientific method of experimentation. There are places for the definition of the...
Curated OER
Periodic Behavior of Oxides
Students investigate the properties of oxides and observe their periodic trends. For this behavior of oxides lesson plan, students experiment with metallic oxides and non-metallic oxides to determine if they are acid, basic or amphoteric...
Curated OER
Chemistry Lab: Solubility Product Constant of Sodium Chloride
In this solubility product constant of sodium chloride learning exercise, students gather the equipment needed and follow the procedures to determine the solubility product constant of a solute and demonstrate precipitation of a common...
Curated OER
Water the Universal Solvent
In this water and solvent worksheet, learners answer 20 questions about solutes, solvents, polarity in molecules, and the characteristics of water as a solvent. Students answer 3 questions about the lab they completed using temperature...
Curated OER
Paper Chromatography K-12 Experiment
Students study chromatography and how they can distinguish between the different pigments in a color. In this chromatography lesson students separate a mixture of dyes in soluble ink then record the colors they see.
Curated OER
The Frigid Gourmet
Students make a " science surprise" or ice cream in the lab. In this melting point depression lesson plan, students use various substances with ice to determine the effects on the melting point of ice and the ability to make ice cream....
Curated OER
Chemquest: Physical Changes or Chemical Reactions
Students explore physical and chemical changes. In this chemistry lesson plan, students will go outside to observe changes seen in nature. Students will then work in the lab to identify changes at different stations prior to doing a...
Serendip
Out Spot, Darn Spot
Encourage your classes to be laundry helpers! Learners explore the chemistry of stain removal with a lab investigation. By identifying the components of the stain, they identify the most effective solute for its removal.
Curated OER
Laboratory: Ionic Compound Solubility
In this solubility worksheet, students answer post activity questions about the lab work they completed with ionic compounds. They write sentences about solubility of cations from their lab work. They write chemical reactions for their...
American Chemical Society
Dissolving Different Liquids in Water
Not many youngsters realize that solids aren't the only materials that can possibly be dissolved in water. During this investigation, they find out that some liquids can dissolve in water as well. This is part of a unit on solubility,...
Curated OER
#16 Separation Science Lab
Students in this inquiry-based experiment, put in the role of a method development chemist. The scenario they are given is that a train wreck has occurred resulting in a chemical spill. Students are told that the spill mixture consists...
Royal Society of Chemistry
Weathering and Erosion: Simulating Rock Attack in the Lab
Into each life some rain must fall, but how can that change rocks? Young geologists' understanding of weathering and erosion increases throughout the activities. The lesson includes five short activities to be completed over two class days.
Curated OER
Determining pH
Students evaluate pH levels through a solubility experiment. In this pH levels lesson, students list characteristics of acids and bases. Students complete their own pH level experiment. Students go to the GEMS Alien Juice Bar website to...
Curated OER
Preparation of Crystalline Derivatives of Aldehydes and Ketones
Chemistry explorers prepare a crystalline derivative and find its melting point. Once they discover the melting point, they are able to identify whether or not the substance is pure, and whether it is an aldehyde or ketone. This is an...
Royal Society of Chemistry
Observing Chemical Changes—Microscale Chemistry
Want to add a wow factor to your current chemical changes lesson plan? Try a microscale experiment with colorful precipitates! Partnered learners conduct 10 single displacement reactions and record their observations.
Curated OER
Disposable Diaper Comparison and Mystery Powder Identification
Students investigate which diaper is the most absorbent. In this chemistry instructional activity, students calculate how much water is absorbed by diapers. They identify an unknown powder based on physical and chemical properties.
Curated OER
Chemical Resistance and Synthetic Polymers
Students participate in lab activities in which they examine immersion, stain resistance, and stress cracking of synthetic polymers. Students use their collected data to discuss service applications and possible performance of materials.
Pingry School
Qualitative Analysis of Eleven Household Chemicals
Chemical and physical properties give compounds an identity. Learners use the identity of a compound to predict what it is. By performing different tests like solubility, flame, heat, and reactions, individuals attempt to identify an...