Howtosmile logo
Howtosmile logo


Howtosmile is a resource hub offering over 4,000 free STEM activities for educators, with features for creating activity lists, user interaction through comments, and multilingual accessibility.

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What Howtosmile does

Howtosmile is an online platform that provides over 4,000 STEM (Science, Technology, Engineering, and Mathematics) activities for educators. These activities are sourced from reputable educational organizations like science museums, public television stations, and universities. The platform is designed to be a resource hub for teachers, homeschooling parents, and informal educators. All activities are free of charge and can be filtered by age, material costs, and learning time to find the perfect fit for any educational program or class.

Key features for teachers

  • Extensive Library of Activities: Howtosmile offers a vast collection of over 4,000 handpicked STEM activities from various educational organizations. These activities are designed to be engaging, fun, and rich in STEM content.
  • List Creation: The platform allows users to create lists of activities, which can be stored for future reference. This feature is particularly useful for educators planning lessons around specific topics.
  • User Interaction: Howtosmile encourages user interaction through comments on activities. These comments often provide valuable insights from educators who have conducted the experiments.
  • Multilingual and Accessibility: Howtosmile is not limited to English; it can accommodate resources in other languages, making it accessible to a wider audience. The platform also prioritizes activities that are accessible to people with disabilities.


Howtosmile is a completely free online platform for educators. It allows teachers to access over 4,000 STEM activities without any financial constraints.

Potential classroom applications

  1. Interactive Science Fair: Teachers can use Howtosmile to organize an interactive science fair. Students can choose from the platform's extensive list of activities, conduct it, and then present their findings to the class.
  2. Thematic STEM Weeks: Howtosmile can be used to create thematic STEM weeks, where each week is dedicated to exploring a specific STEM topic in depth.
  3. At-Home Learning Support: Given the current emphasis on hybrid learning models, Howtosmile can be a valuable resource for supporting at-home learning. Teachers can assign activities from the platform for students to complete at home.

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