CK-12 Foundation
Balancing Equations
Make the microscopic world of chemical reactions come to life. An engaging video demonstrates a methane-oxygen reaction. Learners see the reaction take place and observe the chemical equation being balanced.
CK-12 Foundation
Don't Slip
Salt is the go-to material when people need to melt ice—learn the chemistry behind its effectiveness with an interactive lesson. Pupils watch a short narrative and then explore the concept through a simulation. Young scientists...
LABScI
Cell Diffusion and Permeability: The See-Thru Egg Lab
Create a model to study a microscopic phenomenon. The seventh of 12 lessons uses an egg (without its shell) to represent a cell membrane. Using different solutions, learners explore the concept of cell diffusion. They monitor...
CK-12 Foundation
Flashlight
In a simple circuit, does electricity start instantly? A simulation encourages thinking about the flow of electrons at a microscopic level. Pupils control the voltage, resistance, and switch in order to observe the change in both ideal...
National Nanotechnology Infrastructure Network
The Pinch Test
Test your pupils' understanding of the scale from macro to atomic. While displaying images of different materials, learners identify what they would need to make that material visible. Their choices range from the human eye to an...
Howard Hughes Medical Institute
Small-Molecule Diversity
One way to study the microscopic is to make it macroscopic. Each slide of the lesson presentation presents a different molecular model along with a brief description of the compound's function. Learners use the information to build...
Cold Spring Harbor Laboratory
Genes Are Real Things
Proving microscopic structures exist is a difficult task. Learn how scientists did just that in the mid-1800s as they set out to identify the cellular structures related to genetics. The online lesson explains the collection of work that...
American Chemical Society
Mentos and Diet Coke!
Let the bubbles tell the story. Using a hands-on lesson, budding scientists learn how carbon dioxide in soda interacts with objects placed in the soda. The lesson explains how the gas adheres to the surface of the objects based on the...
Curated OER
Understanding Cell Division
Pupils collect and describe cells from an onion root tip which are undergoing the stages of cell division. They use a ProScope USB microscope to identify and compare cells in five phases of mitosis.
Curated OER
Mystery Powders
Students collect microscopic images from a variety of chemical specimens to determine the identity of a mystery powder. They use a ProScope Digital USB Microscope to describe and compare the crystal size and shape of the chemicals.
Curated OER
Marine Fisheries Management
Almost 200 slides make this a vast collection! It is a quirky collection, titled "Marine Fisheries Management," but having little to do with that occupation. What you will find are two-toned blue backgrounds with no pictures, but a few...
Curated OER
Comparing Mitosis with Meiosis
Life science learners view an online animated mini textbook comparing two types of cell division. Working in groups, they use a digital microscope to capture images of cells in different stages of mitosis and meiosis. Then they create an...
Curated OER
Reading the River
In collaborative groups, young ecologists measure the temperature, pH, and dissolved oxygen for three different freshwater samples. They examine each sample with a microscope and record observations on the microorganisms in the pond...
Curated OER
Infection Wars
Students observe blood cells under a microscope and make drawings of their observations. They write and act out a short play starring blood cells, antibodies and bacteria to demonstrate fighting infection.
Curated OER
How Do Cells Reproduce?
Beginning biologists prepare a sugar solution for yeast cells to live in, and divide it into two different jars. Samples from each jar are viewed with a microscope, and then one jar is placed in a warm environment and the other a cold...
Nuffield Foundation
A Closer Look at Blood
Here is a lab that has teenage scientists examining samples of their own blood under a microscope. Learners carefully prepare slides, then make detailed observations and identifying different types of cells using a key.
Curated OER
Understanding Cells
Students identify and define several related vocabulary terms. Students complete a short lab and complete the questions. Students create a cell crossword puzzle and play cell computer games through the included links.
Curated OER
Particle Depostition Lab
Middle schoolers collect, study and observe the pollution in our air. They list three kinds of pollution that they think is in our air. Students comprehend that the atmosphere is almost completely made up of invisible gaseous...
Curated OER
Cell Theory, Scientists, & Cell Types
In this cells activity, students compare the characteristics of eukaryotic and prokaryotic cells. Students describe how different scientists contributed to the cell theory. This activity has 6 short answer questions and 1 graphic organizer.
Curated OER
Just Because You Cannot See It... Doesn't Mean It's Not There
Students discover bacteria which is around them by using agar over three days. In this biology lesson, students predict what they will see over the three days and then take photographs of what is actually shown. Finally, students write...
Curated OER
Applied Science - Science and Math Post-Lab
Students use scientific tools. In this Applied Science lesson, students investigate the use of scientific tools to enhance observation and discovery. Students indicate how each tool assists scientific work.
Curated OER
Applied Science-Science and Math Lab
Young scholars explore magnification. In this scientific observation skills lesson, students observe sea life items and draw pictures of what they observe. Young scholars predict which lens will have the strongest magnification when...
Learning Games Lab
Bacteria Sampling
Scholars explore the procedure for bacteria sampling in a virtual lab by first walking through a detailed step-by-step procedure of preparing the samples of raw milk and pasteurized milk, growing the bacteria, and comparing results....
Curated OER
Lesson #2 ~ Nanoscience and Nanotechnology
You might love this lesson, or you might not. Basically, high school scientists read through a script in which someone interviews a physicist, a biologist, and a chemist in regard to their use of nanotechnology. The names of the involved...
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