TalentJR apps
The final test mixes questions from all 21 lessons of the course: what engineers do, the design process, forces and simple machines, levers and pulleys, work, structures, materials, bridges, earthquakes, sustainability and scale drawings. Pass it to earn the top engineering badge.
✓ You passed this lesson’s test.
Find the topic, use the idea — “decide which lesson a question comes from, then use that lesson’s rule”
Use it for: Final revision of the course before a science test, a STEM competition or a new project.
Check: A bolt has the same spiral thread — also a screw ✓
▶ Watch it animatedWork it out in your head or on paper, type the answer and press Check. Stuck? Press “Show me how”.
Right: 0 · Tried: 0
20 questions. Check each answer, then go to the next one. Get 16 or more right to pass.
🏅 Sign in with Google to earn the 👷 Master Engineer badge when you pass — and a certificate when you finish all 8 lessons of Part 3 · Structures and materials. You can still take the test without signing in.
Why does it work? When should you use it? Ask in English, मराठी or हिंदी.
Sign in with Google to ask Free — 20 questions a day.
Prefer a real teacher? TalentJR teachers take live online classes anywhere in India and visit homes in selected cities. Tell us what you need and our team will call you with timings and fees.