עבריתDuo Hebrew
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  • Tap any blue Hebrew word to hear it. Play lesson plays a lesson's words one after another, and Read subject (in the bar at the top of each subject) reads the whole subject aloud — the explanations in English or Russian, the Hebrew words with their recordings (press it again to stop; Continue picks up where you stopped; click any line to bookmark it, then From bookmark starts there; 🔖✕ clears the bookmark); the speed slider slows them down.
  • Some subjects have a 📋 From my grammar sheet panel (tap to open) with tables and exercises.
  • On the 🧩 Practice tab every subject has a 📖 Story: a short story with the words learned so far, with recordings, translations and three questions.
  • Signed in, 🔁 Daily review picks today's words from your own answers — the ones you missed first.
  • Language switches the explanations between English and Russian.
  • New to the letters? Start with Alphabet, at the top of the list, with letter and vowel exercises.
  • Pick a subject in the list on the left (or with Subjects on a phone). The buttons at the top of each subject go to the previous and next subject.
  • The 🧩 Practice tab has the exercises of the subject chosen in the list: its grammar sheet's exercises, and short sentences with its words, a Listening quiz (hear a sentence, pick what it means) and 🎤 Speaking (say the sentence; the page checks what it heard).
  • Turn on Niqqud to see the vowel marks, and Shoresh to see each word's root letters in violet (כתבתי: כתבתי). Search looks through all subjects, in English or Hebrew.
  • If a word sounds wrong, right-click it (or press and hold) to record it in your own voice or correct its vowel marks.

3,019 Hebrew words and phrases in 79 subjects. Page version 2026-11-09_1333.

Science

Lessons

Lesson 1

  • – science (m)
  • – project (m)
  • – thesis (f)
  • – study (m)
  • – technology (f)
  • – method (f)

Lesson 2

  • – size (m)
  • – sample (f)
  • – weight (m)
  • – energy (f)
  • – distance (m)
  • – speed, velocity (f)

Lesson 3

  • – experiment (m)
  • – article (m)
  • – PhD, doctorate (m)
  • – mass (f)
  • – definition (f)
  • – edition (f)
  • – distribution (f)

Lesson 4

  • – principle (m)
  • – laboratory (f)
  • – mineral (m)
  • – thermometer (m)
  • or – formula (f)
  • – quality (f)

Lesson 5

  • – chemistry (f)
  • – geography (f)
  • – physics (f)
  • – philosophy (f)
  • – bachelor's degree (m)
  • – genetics (f)
  • – biology (f)

Lesson 6

  • – electric
  • – cell (m)
  • – investigation (f)
  • – scientist (m)
  • – cycle (m)
  • – discovery (f)

Lesson 7

  • – fact (f)
  • – to decrease
  • – to increase
  • – gravity (m)
  • – reason (f)
  • – theory (f)

Lesson 8

  • – alcohol (m)
  • – kilo (m)
  • – ton (m)
  • – kilogram (m)
  • – gram (m)
📖 Story: A great discovery? 7 sentences · 3 questions

A great discovery?

  1. Noa is a scientist, and she works in a big laboratory.
  2. Today she is doing an important experiment in chemistry.
  3. She wants to know the weight and the size of a small mineral.
  4. Its weight is only ten grams.
  5. But then the thermometer shows a hundred degrees!
  6. Noa thinks this is a new discovery, and she writes an article.
  7. The next day she understands the reason: someone put a cup of hot coffee next to the thermometer.

Questions

What subject is Noa's experiment in?

How much does the mineral weigh?

Why did the thermometer show a hundred degrees?

Practice

Simple sentences with this subject's words. Listen, say them after the voice, then tap the grey bar to check the meaning.

Sentences

  • – He works in a laboratory
  • – The experiment succeeded
  • – I study physics and chemistry
  • – What is the weight of this?
  • – She wrote an important article

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