Meet Gizmos
The world's largest library of math and science simulations.
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Featuring over 550 virtual, interactive STEM simulations all crafted to meet the latest educational standards, Gizmos empowers educators in grades 3-12 to transform classrooms with engaging online simulations that foster a deeper conceptual understanding of science, technology, engineering, and math subjects. By using ExploreLearning Gizmos immersive online labs and student-centered, inquiry-based activities, students discover their STEM potential.
Learn More about Gizmos Sign Up for FreeElectron Configuration
When Dmitri Mendeleev published his Periodic Table of Elements in 1869, it was organized such that elements in each vertical column had similar chemical properties, including valence. After the discovery of the electron in 1897, a string of...
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When Dmitri Mendeleev published his Periodic Table of Elements in 1869, it was organized such that elements in each vertical column had similar chemical properties, including valence. After the discovery of the electron in 1897, a string of breakthroughs connected electron configurations ever more closely to the periodic table. Today, it is clear how the placement of electrons in shells, subshells, and orbitals explains the entire structure of the periodic table.
The Electron Configuration Gizmo makes this connection very clear. Students can select any element on the PERIODIC TABLE tab of the Gizmo and then use the ELECTRON CONFIGURATION tab to build the electron configuration. The atomic radii of completed atoms can then be graphed. By starting with very simple elements and moving up in complexity, students will see how electron configurations underlie so much of chemistry, including bonding, valence, and reactivity.
Bring science to life with real-life STEM cases.
Immerse your students in active learning with Gizmos STEM Cases, where they learn about real-world STEM challenges and actively solve them like real scientists. Our STEM Cases encourage hands-on exploration, promoting a dynamic learning environment that sparks curiosity and enthusiasm.
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Leverage research-proven teaching tools.
Independent research studies show how Gizmos interactive simulations power effective math and science instruction and impact student achievement.
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Prepare teachers for even greater success.
When teachers effectively integrate Gizmos into instruction they can take learning to new levels. Learn how our support helps educators be their best.
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Make the most of your implementation.
Get insights, ideas, inspiration and more. We’re here to help you use Gizmos in the classroom—whether you’re just getting started or ready to go deeper.
Browse Our ResourcesEverybody's Talking About Gizmos
Hello, Ms. D. I apologize about emailing you during the weekend, but I couldn’t wait to tell you. Gizmos is so much fun, and I absolutely love it. I actually learn something and I like the fact that it is interactive. Thank you so much for making us do Gizmos.
- Gizmos Student, American International School, Abu DhabiI really love Gizmos as they help students grasp difficult concepts that can’t always be seen. They make abstract ideas come to life.
- Gizmos Teacher, Foothills School Division, Alberta, CanadaI’m really a strong proponent of Gizmos in science because I have seen firsthand what it does in terms of engaging kids in labs. Gizmos really allow students to go deeper in terms of problem solving and critical thinking.
- Gizmos Assistant Superintendent, Miami-Dade Public Schools, FLGizmos STEM Cases improve students’ content knowledge and critical thinking ability. The kids are putting more thought into things and they’re asking better questions.
- Gizmos Director of Science, Gwinnett County Public Schools, GAGizmos STEM Cases is the most engaging program that I’ve ever seen! High-quality graphics and real-world stories make them more thought-provoking than traditional teaching materials. Students become more personally invested in the lessons and feel a sense of accomplishment [when doing them].
- Gizmos Director of Science, Walker School, GAGizmos associated with higher performance on NGSS-aligned state science assessments
Data from more than 22,000 students at over 115 schools found that higher Gizmos usage led to a higher likelihood of meeting or exceeding proficiency on two different state science achievement tests.
Gizmos have earned every major edtech award!
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