Blog

Ideas explained, study advice and news, from the StemPy Lab team and the teachers we invite to write.

10 posts

A stack of cards that say Cover the answer and Try it again, with a green check mark.

How to study a problem so that you remember it

Reading a solution feels like learning, but it is mostly not. Here are five steps that make a problem stay in your head, with a way to use the Python boxes.

Study advice

StemPy Lab · 23 October 2026 · 2 min read

A test paper with four green ticks and one red cross, a stopwatch a third of the way round, and a certificate with an orange seal.

How to hold a mock test: a step-by-step guide for teachers

Get your questions ready, build a paper marked like the real exam, choose how it starts, run it, read the report and give certificates. Then take the same paper to students beyond your class with an open exam. A walk through a demo class test.

A question palette of coloured squares and circles, green, red, purple and grey, beside a large stopwatch more than half way round.

How to take a mock test: a step-by-step guide for students

Find the right paper, read the instructions, use the exam screen like the real JEE or NEET, understand the marking, and turn every wrong answer into marks. Then sit open exams and the Live Series with students everywhere.

Mock testsExamsGuides

StemPy Lab · 22 October 2026 · 7 min read

A short program in a dark window, with a green Run button beside it.

Your first Python program, in your browser

You do not need to install anything. Press Run, give the program an input, draw a graph, and learn what the code boxes can and cannot do. A ten minute start.

PythonGetting started

StemPy Lab · 21 October 2026 · 3 min read

Three steps in a row, Predict, Run and Check, joined by arrows.

Welcome to StemPy Lab

A place to learn physics, chemistry, mathematics, biology, Python and statistics by trying things. Here is how it works, who it is for, and what to do first.

GuidesGetting started

StemPy Lab · 18 October 2026 · 2 min read

Five steps that go up like a staircase, numbered from one to five.

Where should I start? A guide to the levels

StemPy Lab has five levels, from Middle Stage to General. Here is how to choose one, how to use the level checks, and what to do if a level is still empty.

GuidesGetting started

StemPy Lab · 17 October 2026 · 2 min read

A list of four lessons with the first two ticked, and a progress bar that is half full.

How courses work: a guide for learners and teachers

What is inside a course, how to learn from one, how progress and certificates work, and how a teacher builds and shares one. A walk through a demo course.

CoursesGuides

StemPy Lab · 17 October 2026 · 4 min read

A video window with a play button, and a red record button marked REC.

How to record your live class and share it with students who missed it

Record a class on your own computer or phone, keep the file, put it on YouTube or Google Drive, and add the link. Students who missed the class are told. Nothing is stored on the site.

ClassesTeachersGuides

StemPy Lab · 17 October 2026 · 5 min read

One teacher above three groups of learners, called Batch 1, Batch 2 and Batch 3.

How to run a class: a guide for teachers

Open a class, bring students in, use batches, teach live, assign work, read the students table, assess, promote and issue certificates. A walk through a demo class with demo students.

ClassesTeachersGuides

StemPy Lab · 17 October 2026 · 7 min read

Five learners in a row, and a checklist with three finished tasks.

How a class works: a guide for students

Join a class, see what your teacher sets, understand what counts as done, what your teacher can see, and how a certificate is earned. A walk through a demo class with a demo student.

ClassesGuides

StemPy Lab · 17 October 2026 · 6 min read