Slimkop

CAPS · Grades 10 to 12 · Technical Sciences

Technical Sciences help that finds the first wrong line

In Technical Sciences one wrong first step spoils every line after it. Your child snaps a photo of their working. Slimkop finds the first line that went wrong, explains the idea and lets your child do the rest.

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The one rule

Slimkop never gives the answer. It asks the question that helps your child work it out, and a right answer only counts once they can explain it.

A real example: resistors in Grade 10

Made-up learner and working. A real Slimkop reply.

The question

Resistors of 4 Ω and 6 Ω are connected in parallel across 12 V. Find the total resistance and the current.

The learner's working

R = 4 + 6 = 10 Ω

I = V ÷ R = 12 ÷ 10

I = 1,2 A

  1. LearnerCan you check my working?
  2. SlimkopI can see: resistors of 4 Ω and 6 Ω in parallel across 12 V, and your working below.There's a problem right at the first line, Emma. You used R = 4 + 6, but that formula is for resistors in series — where they are connected one after the other in a single loop.These resistors are in parallel. The rule for parallel resistors is different. It uses reciprocals:1/R(T) = 1/R₁ + 1/R₂Can you try applying that formula with your 4 Ω and 6 Ω values, and tell me what you get for 1/R(T)?

Watch it work

This reel shows a learner's working going in and Slimkop's question coming back. It has music, so turn up the sound.

Where Technical Sciences often goes wrong

  • Electric circuits: the series rule is used on a parallel circuit.
  • Newton's laws: one force is used in place of the net force.
  • Work and energy: the force and the distance are not in the same direction.
  • Units: kilowatts, millimetres or minutes go into a formula without being converted.

Grade 12 CAPS topics

  • Newton's laws of motion
  • Momentum and impulse
  • Work, energy and power
  • Waves, sound and light
  • Capacitors and electric circuits
  • Electromagnetism
  • Organic chemistry
  • Chemical change

What your child gets

  • A photo of the working is enough to start.
  • Slimkop never gives the answer. Your child does the work.
  • Full Grade 12 mock papers of 150 marks in 3 hours, marked to NSC standard, with feedback on every question.
  • Quick tests of 5 questions in 20 minutes.
  • Help for Grades 10, 11 and 12, in English or Afrikaans.
  • In Parent view you see every chat, every test and the marks per CAPS topic.
  • Built on the CAPS document for Technical Sciences, DBE books and study guides and the NSC question papers of November 2024 and 2025.
One price

The whole family, one plan

R300a month for the whole family*

7 days free, no card needed. Then R300 a month if you keep it.

Start 7 days free

*Ts and Cs apply: one family plan covers up to 3 children.

Questions parents ask

Will Slimkop give my child the answers?

No. It asks the question that helps your child work it out. The only time it shows an answer is after a timed mock exam, on questions where marks were lost.

Can it read handwritten working?

Yes. Your child takes a photo in the app. If the photo is too blurry, Slimkop asks for a clearer one. The photo is not stored.

I can't help with Technical Sciences myself. Does that matter?

No. Your child gets help at any hour, also at 9pm the night before a test. You can read every chat in Parent view.

What does it cost?

The first 7 days are free and you need no card. After that you choose: R300 a month for up to 3 children, or simply stop. Nothing is charged by itself.