American Chemical Society
Formation of a Precipitate
Conclude this chemical change unit by having your class combine two liquids that result in formation of a precipitate. The learners discover that chemical reactions result in new materials. Make sure to consider all of the preceding...
Curated OER
Precipitate Lab
This lab guide gets chemistry students to determine the identity of five unknown solutions based on reactions with four known solutions. Pupils perform experiments, they write down their observations, they write net ionic equations for...
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...
Baylor College
What Is the Water Cycle?
Small groups place sand and ice in a covered box, place the box in the sunlight, then observe as evaporation, condensation, and precipitation occur. These models serve as miniature water cycles and demonstrations of the three phases of...
Beyond Benign
Green"er" Precipitation Reaction
All sodium carbonate may not have the same amount of carbonate, but it should have the same percent. Learners write and balance an equation to predict the chemical reaction between sodium carbonate and zinc acetate. Through the lab...
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.
Pingry School
Precipitation Reactions and General Solubility Rules
The more you know, the better your predictions! Using a hands-on lab experiment, collaborative groups collect information about ionic interactions. They record data describing the precipitate of reactions and use their information to...
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.
Santa Monica College
Single and Double Displacement Reactions
If you aren't part of the solution, you are part of the precipitate! Young chemists learn about single and double displacement reactions including precipitation reactions, neutralization reactions, and gas forming reactions. They perform...
Curated OER
Double Replacement Reaction: Laboratory Experiment
You can use this PowerPoint to work through the theory and procedure of a replacement reaction. After giving some safety tips and lab rules, the slides give the basic equation, the materials needed, and then the reagents and...
Chicago Botanic Garden
Climate Change Around the World
You know climate change is happening when you see a bee take off its yellow jacket. Part four in a series of five lessons explores all factors affecting climate change: temperature, cloud cover, precipitation, and carbon dioxide. By...
Chicago Botanic Garden
Climate Change Around the World
It is unknown if cloud cover increases in response to carbon dioxide levels changing, helping climate change slow down, or if cloud cover decreases, allowing Earth to warm faster. Part four in the series of five lessons has classes...
Discovery Education
Smoke on the Water
How do clouds form? Learners demonstrate the formation of clouds and the water cycle by testing four different setups in a plastic bottle. They identify the key components of a cloud to help them understand the process of cloud...
Curated OER
Follow Up Questions Lab 1-Chemical Reactions
In this chemical reactions worksheet, students answer follow up questions to a lab where they were observing chemical changes in reactions after mixing products such as hydrochloric acid and sodium bicarbonate. They answer six questions...
Curated OER
Precipitation Monitoring
Young scholars monitor the pH level of the precipitation in their local area for one month. In this hands-on activity, students use lab equipment to measure the pH levels and an online tool to track their findings. Ultimately, young...
Curated OER
Biocomplexity Lab Activity: Creating Salt Water
The lesson plan seeks to intorduce to students the properties of salt water and how to create salt water. Teacher gives backgound information about salt water to students. From that point, students dscuss what elements are in salt...
Curated OER
What is the Percentage of Copper in "Copper" Coins?
Whether in the UK or in the US, the mass of the copper in a copper alloy penny can be determined. If you are in the US, just note that on the lab sheet, a penny is identified as a "1p piece." The penny is dissolved by young chemists in...
Royal Society of Chemistry
Some Reactions of Carbon Dioxide—Microscale Chemistry
Precipitation reactions are always interesting. How about one that forms a precipitate using a gas? Chemists of any age will enjoy this twist on a standard solubility lab. Partners observe the lack of interaction between sodium hydroxide...
Worchester Polytechnic Institute
Interactive Laboratory Activities for Secondary Education
Do you think the lab smells like rotten eggs? Sorry to hear about your sulfering. A set of five experiments covers many different topics including seasons, gravity, food, precipitation, and photosynthesis. Though not presented as a...
Curated OER
Oxidation of Ethanol to Ethanal
Here is a laboratory exercise where chemistry masters carry out an oxidation reaction to change ethanol into ethanal. They compare the original alcohol to the resulting aldehyde by forming a precipitate. Definitely aimed at learners...
Santa Monica College
Chemical Equilibrium and Le Chatelier’s Principle
Henri-Louis Le Chatelier wrote many papers throughout his 85-year life, but he is remembered for one of his earliest discoveries, now known as Le Chatelier's Principle. The final instructional activity in an 11-part series encourages...
American Chemical Society
Change in Temperature - Exothermic Reaction
Alone, or as part of the intended unit on chemical reactions, this activity allows learners to experience an exothermic reaction. Here, learners add calcium chloride to a baking soda solution and watch the temperature rise! They will...
Curated OER
Milk Glue
Students observe a precipitation and neutralization reaction and learn to filter the products of the precipitation reaction. In this precipitation and neutralization lesson plan, students create curds and whey using milk and vinegar....
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...