California Academy of Science
Coral and Chemistry
Using cabbage juice as a pH indicator, future scientists explore the effect of increasing carbon dioxide on the pH of the ocean and relate it to the health of coral reefs. Ideal for an earth or environmental sciences course, this lesson...
Creative Chemistry
Comparing the Degree of Unsaturation of Margarine with that of Butter
Is butter better? In terms of saturation, young chemists find out! Using titration methods, they will compare the degree of saturation of butter with that of margarine. Knowing the unsaturation, they can make conclusions about the...
Creative Chemistry
Simple Calorimetry to Find the Enthalpy of Combustion of Alcohols
Accomplished chemistry learners set up a calorimeter and measured the energy released by various alcohols: methanol, ethanol, and either propanol or butanol. Lab masters will first need to design their tables for recording data. Consider...
Creative Chemistry
Finding the % of Fe2+ in Fe(NH4)2(SO4)2.xH2O and the value of x
Step-by-step procedures are outlined in the learning exercise and calculations for junior chemists to perform in their science journals. This laboratory exercise is intended for experienced chemistry learners.
Teach Engineering
Red Cabbage Chemistry
Using the natural pH indicator of red cabbage juice, groups determine the pH of different everyday liquids. As they work, pupils gain an understanding of pH that may help deal with contaminants in the water supply.
Royal Society of Chemistry
The Treatment of Oil Spills—Microscale Chemistry
When oil spills happen, how is the oil cleaned up? Pupils of polymer science discover an amazing substance that turns oil into a solid during a microscale experiment. Individuals observe oil or paraffin before and after addition of the...
Curated OER
Heterogeneous Equilibrium: Measurement of a Partition Coefficient
In this chemistry worksheet, students examine a concept in science and then use the knowledge in application by conducting an experiment.
Curated OER
Determination of the solubility product of silver(I) chloride
In this chemistry worksheet, learners examine the concept of solubility of silver chloride. The sheet has in depth concept and laboratory instructions.
Curated OER
BioFuels: The Chemistry and Economics of Alternative Fuels
Junior chemists manufacture biodiesel in the lab. In this exercise, they check the purity of the biodiesel using thin layer chromatography. They also calculate its density and heat of combustion. They are sure to rise to the...
Beyond Benign
Breaking the Tension
The tension builds as learners experiment in your classroom. The 17th installment in a 24-part series has scholars investigate the concept of surface tension. After discovering characteristics of surface tension, they add a compound...
Pingry School
The Gelation of Guar Gum with Borax
Some of kids' favorite toys are the products of science experiments. Scholars follow precise measurements to mix and create their own slime and Play-Doh. They observe the changing textures and the chemical reactions throughout the...
Curated OER
Changing Planet: Ocean Acidification - the Chemistry is Less than Basic!
A video and laboratory investigation are highlights to this lesson on acidification of ocean water due to increased atmospheric carbon dioxide. Using bromothymol blue (BTB) as an indicator, pupils analyze the amount of carbon dioxide...
Exploratorium
Bubble Suspension
Create a cushion of carbon dioxide gas to float some soap bubbles on. Many concepts can be demonstrated through this activity:
Carbon dioxide gas is more dense than air
Bubbles are semipermeable, allowing only carbon dioxide to diffuse...
Curated OER
Drinking Water
In this drinking water worksheet, students complete a crossword puzzle given 23 clues about drinking water purification, water content, contaminants, and softeners.
American Chemical Society
Chemistry and Comics
Copying the comics couldn't be easier. A fun and simple activity has young scientists rub the back of a comic strip with a spoon to see if the ink will transfer to a white sheet of paper. They then repeat the experiment, rubbing...
Pingry School
The Water Lab – Spreadsheet Simulation
More than 70 percent of people and 90 percent of businesses use spreadsheets regularly. While many courses overlook the important skill, the simple water lab focuses on entering spreadsheet data, formatting it, and printing plots based...
CK-12 Foundation
What's the Matter?
What makes ice, water, and steam different? Their molecular arrangements are the same, but their movements are different. Individuals make this conclusion by completing the simulation activity.
It's About Time
Properties of Matter
Never trust an atom; they make up everything! Young chemists make modeling dough and add another ingredient to change the properties. Scholars then compare the properties of emulsion to composite materials. A reading passage and analysis...
Pingry School
Determination of the Specific Heat of an Element
Many periodic tables mention specific heat, but how do scientists determine those numbers? Scholars attempt to find the specific heat of a metallic element by using a calorimeter. Three experimental trials ensure accuracy, and analysis...
Creative Chemistry
Displacement Reactions of the Halogens
During this lab activity, chemists discover the reactivities of chlorine, bromine, and iodine as examples of the halogens. They use a displacement reaction as a test by adding other compounds and observing for a color change. The lab...
Curated OER
Properties of Ionic and Covalent Compounds
Test six various reagents for their ability to conduct electricity. Cooperating chemists research whether each is ionic or covalent and discover the relationship between bonding and conductivity. This laboratory exercise would be an...
Creative Chemistry
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 can identify whether the substance is pure or an aldehyde or ketone. This outstanding laboratory activity helps...
Creative Chemistry
Displacement Reaction of the Halogens
This publisher has put out some terrific laboratory activities for your aspiring chemists! This edition uses displacement reactions to develop a reactivity series for three halogens. Not only do they explore the reactivity of bromine,...
Santa Monica College
Introducing Measurements in the Laboratory
We use basic units of measurement to break down things and communicate clearly. The first instructional activity in an 11-part series teaches the proper way to measure various items. It starts simply with measuring the dimensions and...