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About This Simulation
Explore the atomic model, absorption and emission spectra, and how they reveal information about stars in galaxies far far away.
Learning Objectives
- Describe the historical evolution of atomic models
- Describe how the atomic emission spectra are produced using Bohr's model
- List the four quantum numbers
- Use atomic spectra to identify the composition of a gas
About This Simulation
Lab Techniques
Related Standards
- HS-PS1-1
- AP Chemistry 1.5 Atomic Structure and Electron Configuration
- 2.1 The nuclear atom
- 2.2 Electron configuration
Learn More About This Simulation
This is the principles (high school) version of the simulation. For a more advanced version please see “Atomic Structure: Assess the possibility of life on other planets”. Did you know that there are approximately 7 billion billion billion (that is, 7 octillion!) atoms in a grown human body? That number is higher than the estimated number of stars in the observable universe! In this simulation, you will investigate the atomic models and discover what unique properties they possess that allow us to study the universe.
Explore the history of the atom
To understand our surroundings, we must first understand its smallest building block, the atom. Embark on a journey that stretches from ancient Greece until today and learn how our understanding of the modern atomic model came to be.
Investigate Bohr and quantum 3D models
Explore the Bohr and Quantum atomic models on the holographic table to learn about their similarities and differences. You will learn why the bizarre nature of electrons led scientists to come up with the concept of the four atomic quantum numbers, as well as what these four numbers represent. With the help of illustrative 3D models and interactive explanations, you will understand how electron transitions between energy levels explain the emission and absorption spectra of a gas.
Use your knowledge to help an astrophysicist
Use your newly acquired knowledge of atomic energy levels to help Dr. Nova with real spectrographic techniques to determine the composition of distant stars, matching their spectra to that of different elements.
Will you be able to determine the atomic composition of a star?
Experience Labster for Yourself
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Easily bolster your learning objectives with relevant, interactive content
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For Science Programs Providing a Learning Advantage
North Dakota State College of Science
“They did the simulation at home, then completed the in-person lab within 30 minutes, no questions asked, and passed the quiz with flying colors.”
Lecturer in Human Physiology
University of Westminster
"I saw some of the students who clearly didn’t necessarily like sitting there reading a book discover they could turn on Labster and keep up with the rest of the class because it spoke to them.
Modesto City Schools
"Having something that's engaging for the students gives teachers that opportunity to breathe and get excited again. Because they're seeing the kids light up, they're seeing the kids engage with content."
Wenatchee Valley College
"The question always is, ‘Can we demonstrate that the students are meeting course outcomes?’ Check! We can do that.”
San José State University
"We surveyed over 400 students. More than 90% thought Labster was easy to navigate, and that it was fun, but more importantly, most of them felt confident that they could execute the labs in person. And that confidence is a big deal."
FAQs
Find answers to frequently asked questions.
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Labster is hosted online, which means that students only have to login from their internet browsers once an account is created.
Labster is only available for purchase by faculty and administration at academic institutions. To procure Labster, simply reach out to us on our website. Schedule a demo, book a meeting to discuss pricing, start a free trial, or simply fill out our contact form.
Labster simulations are created by real scientists and designed with unparalleled interactivity. Unlike point and click competitors, Labster simulations immerse students and encourage mastery through active learning.
Labster supports a wide range of courses at the high school and university level across fields in biology, chemistry and physics. Some simulations mimic lab procedures with high fidelity to train foundational skills, while others are meant to bring theory to life through interactive scenarios.