Curated OER
Solutions, Suspensions, & Colloids Lab
In this solutions, suspension and colloid activity, students complete a lab experiment in order to determine if a given mixture is a solution, suspension or colloid. They are given six vials and they record their observations of each and...
National Nanotechnology Infrastructure Network
The Effects of Colloidal Silver on Microbial Growth: Investigating Snake Oil Science
Can your classes solve the problem of the smelly sweat sock? Young scientists complete a lab investigation that begins by using electrochemistry to generate colloidal silver. They use their solutions to test the rate of microbial growth...
It's About Time
Solutions, Suspensions, and Colloids
Chemists are frequently in suspension, but not because they misbehave! Scholars mix various items with water to create solutions, suspensions, and colloids. They test each one to determine their differences and properties. The resource...
Curated OER
Mixtures Lab
Students classify different mixtures. In this mixtures lesson plan, students determine samples to be suspensions, colloids, or solutions and compare homogeneous and heterogeneous mixtures.
Curated OER
Solutions, Suspensions, and Colloids
In this solutions, suspension, and colloids worksheet, middle schoolers answer questions as it relates to their reading information about solutions, suspensions, and colloids. Students observe different examples and complete a chart as...
Curated OER
Water Alchemy
After reading "Aquatic Alchemy," an article about recapturing water for reuse when in space, your class will use calcium hydroxide or hydrated lime to purify cloudy water. Geared toward high school chemistry or environmental science...
National Nanotechnology Infrastructure Network
Silver and Bandages: Assessment of Inhibition of Bacteria by Silver Colloid-Impregnated Bandages
Silver: more than jewelry, it's also a natural antimicrobial agent. An inquiry-based lesson asks collaborative groups to design and implement an experiment to test this property. Using samples of silver nanoparticles and a strain of...
Curated OER
Mixtures
Sixth graders experiment with mixtures. In this chemistry lesson, 6th graders determine which mixtures are considered heterogeneous, a suspension, a solution or a colloid. Students create a data sheet of what they discover.
Cornell University
Nano Interactions
Tiny particles can provide big learning opportunities! Middle school scientists explore the world of nanoparticles through reading, discussion, and experiment. Collaborative groups first apply nanotechnology to determine water hardness....
Concord Consortium
Micelles
Micelles consist of an aggregate of molecules in a colloidal solution. The simulation presents two different ways the molecules assemble into micelles based on the polarity of the solution in which they are placed. Scholars can set the...
Exploratorium
Laser Jello
The concepts of refraction and reflection gel with your physical science class during this colorful exploration. Shining lasers through Petri-dish-shaped gelatin desserts, they will notice how the light travels and bounces off the sides....
Curated OER
Mixtures
In this mixtures pre-lab worksheet, students compare and contrast suspensions and colloids and solutions and colloids. Students describe the Tyndall effect. This worksheet has 10 short answer questions.
Curated OER
Endocrine Histology Lab
In this endocrine histology lab, students examine prepared slides of various glands/ organs. Students identify each slide according to the key given and research materials. Students draw or sketch what is seen next to the appropriate...
Curated OER
Field Trip to test Water Quality
Students examine water quality indicators,test water quality and record their results. In this water quality lesson students complete a water testing lab and complete a lab report.
National Nanotechnology Infrastructure Network
Creating and Testing Silver-Nanoparticle Socks
Antibacterial socks are a product of nanotechnology. An inquiry-based instructional activity asks collaborative groups to create their own antibacterial socks and then test them against other products on the market. The sock with the...
Pingry School
Kinetics of the Acid Decomposition of Thiosulfate
Several factors affect the rate of a chemical reaction including temperature, surface area, and concentration. Using an experimental approach, learners explore the effect concentration has on this rate while maintaining consistency with...
Curated OER
Measuring Magnetic Field Strengths Using Ferrofluids
Students explore the field of nanotechnology by examining magnetic field strength in ferrofluids. They use probes attached to a computer program to determine the relationship between magnetic field strength and magnetic field lines.