EMSAT Cheat Sheet 2026

The 30 highest-yield EMSAT facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. If the mean of five numbers is 12, what is their sum? → 60
2. Which part of the nervous system controls voluntary movement? → Somatic nervous system
3. What is the powerhouse of the cell? → Mitochondria
4. What is the unit of energy? → Joule
5. Convert 90° to radians. → π/2
6. Which of the following is a 'حرف جر' (preposition) in Arabic? → مِنْ
7. What is the formula for the area of a circle? → πr²
8. Where does photosynthesis occur in plant cells? → Chloroplasts
9. What is 'النعت' (an-na't) in Arabic grammar? → The adjective/qualifier
10. Which of the following is an example of the imperative mood (الأمر) in Arabic? → اكتبْ
11. Identify the type of sentence: 'Close the door!' → Imperative
12. What is a gene mutation? → A heritable alteration in the DNA nucleotide sequence
13. What does 'المضاف إليه' refer to in Arabic grammar? → The second noun in a genitive construction (إضافة)
14. What charge does a proton have? → Positive
15. What is the sum of interior angles of a triangle? → 180°
16. What is a buffer solution? → A solution that resists changes in pH when small amounts of acid or base are added
17. What is the half-life of a radioactive substance? → The time for half the atoms to decay
18. What type of reaction occurs when a carboxylic acid reacts with an alcohol? → Esterification
19. What is the pH of a neutral solution at 25°C? → 7
20. What does 'context clues' mean in reading? → Surrounding words and sentences that help define an unfamiliar word
21. Which blood type is considered the universal donor for red blood cell transfusions? → O-
22. What is the area of a triangle with base 12 cm and height 8 cm? → 48 cm²
23. What is the term for the evolutionary process in which related species develop increasingly different characteristics as they adapt to different environments? → Divergent evolution
24. What is the SI unit of electrical resistance? → Ohm
25. What is the speed of light in a vacuum? → 3 × 10⁸ m/s
26. Which organelle is known as the powerhouse of the cell because it produces ATP through cellular respiration? → Mitochondria
27. In academic writing, which tone is most appropriate? → Formal and objective
28. In EmSAT Arabic, what is the correct grammatical term for the subject of a verbal sentence (الجملة الفعلية)? → الفاعل
29. What type of bond is formed between Na and Cl in NaCl? → Ionic bond
30. What is the primary function of the nephron in the kidney? → Filtering blood and forming urine