Grade 4 Science Questions and Answers
A free sample of Grade 4 Science practice questions with the correct answer and an explanation, following the Lebanese curriculum. Useful for revision before school tests.
أسئلة العلوم للصف 4 مع الأجوبة والشرح وفق المنهج اللبناني.
How to use this page: read each question, try to answer it yourself, then open the answer to check your reasoning. Questions are grouped by the chapter they belong to on EduRise, in the order of the Lebanese Grade 4 Science programme.
15 Grade 4 Science practice questions
Chapter: Photosynthesis · easy
1. What is the process by which plants make their own food called?
- A. Respiration
- B. Photosynthesis
- C. Digestion
- D. Germination
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Answer: Photosynthesis
Explanation: The correct answer is "Photosynthesis".
Chapter: Photosynthesis · easy
2. Which part of the plant is the main site of photosynthesis?
- A. Root
- B. Stem
- C. Leaf
- D. Flower
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Answer: Leaf
Explanation: The correct answer is "Leaf".
Chapter: Vertebrates & Invertebrates · easy
3. What do vertebrates have that invertebrates do not?
- A. Wings
- B. A backbone
- C. Legs
- D. Eyes
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Answer: A backbone
Explanation: The correct answer is "A backbone".
Chapter: Vertebrates & Invertebrates · easy
4. Which of these is a vertebrate?
- A. Jellyfish
- B. Spider
- C. Dog
- D. Worm
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Answer: Dog
Explanation: The correct answer is "Dog".
Chapter: Food Chains · easy
5. What is a food chain?
- A. A type of necklace
- B. A sequence showing how energy passes from one organism to another
- C. A recipe for cooking
- D. A chain made of food
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Answer: A sequence showing how energy passes from one organism to another
Explanation: The correct answer is "A sequence showing how energy passes from one organism to another".
Chapter: Food Chains · easy
6. What is a producer in a food chain?
- A. An animal that eats meat
- B. An organism that makes its own food
- C. A factory
- D. An animal that eats plants
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Answer: An organism that makes its own food
Explanation: The correct answer is "An organism that makes its own food".
Chapter: Respiratory & Circulatory Systems · easy
7. What is the main organ of the respiratory system?
- A. Heart
- B. Lungs
- C. Stomach
- D. Brain
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Answer: Lungs
Explanation: The correct answer is "Lungs".
Chapter: Respiratory & Circulatory Systems · easy
8. What gas do we breathe in that our body needs?
- A. Carbon dioxide
- B. Nitrogen
- C. Oxygen
- D. Helium
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Answer: Oxygen
Explanation: The correct answer is "Oxygen".
Chapter: States of Matter & Changes · easy
9. What are the three common states of matter?
- A. Hot, cold, warm
- B. Solid, liquid, gas
- C. Hard, soft, medium
- D. Big, small, tiny
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Answer: Solid, liquid, gas
Explanation: The correct answer is "Solid, liquid, gas".
Chapter: States of Matter & Changes · easy
10. Which state of matter has a fixed shape and volume?
- A. Liquid
- B. Gas
- C. Solid
- D. Plasma
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Answer: Solid
Explanation: The correct answer is "Solid".
Chapter: Rocks, Minerals & Soil · easy
11. What are the three main types of rocks?
- A. Big, medium, small
- B. Igneous, sedimentary, metamorphic
- C. Hard, soft, smooth
- D. Red, brown, gray
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Answer: Igneous, sedimentary, metamorphic
Explanation: The correct answer is "Igneous, sedimentary, metamorphic".
Chapter: Rocks, Minerals & Soil · easy
12. Igneous rocks are formed from ___.
- A. Layers of sediment
- B. Cooled magma or lava
- C. Changed rocks under heat and pressure
- D. Sand and mud
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Answer: Cooled magma or lava
Explanation: The correct answer is "Cooled magma or lava".
Chapter: Sound and Vibrations · easy
13. Sound is made by:
- A. Vibrations
- B. Light
- C. Heat
- D. Magnets
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Answer: Vibrations
Explanation: The correct answer is "Vibrations".
Chapter: Sound and Vibrations · easy
14. What is a vibration?
- A. A type of light
- B. A back-and-forth movement
- C. A color change
- D. A smell
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Answer: A back-and-forth movement
Explanation: The correct answer is "A back-and-forth movement".
Chapter: The Digestive System · easy
15. Where is food first chewed?
- A. Mouth
- B. Stomach
- C. Intestine
- D. Esophagus
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Answer: Mouth
Explanation: The correct answer is "Mouth".
More practice
These are sample questions only. The full Grade 4 Science course on EduRise includes every chapter, lessons, 936 questions and timed exams.
Science questions in other grades
Other Grade 4 subjects
See also: Grade 4 Science chapters · All question pages · Study guides
About these questions
Where do these Grade 4 Science questions come from?
They are a sample from EduRise's Grade 4 Science question bank (936 questions across 9 chapters), written to follow the Lebanese curriculum. Each chapter on EduRise has its own practice set and a timed exam.
Are the answers explained?
Yes. Every question on EduRise shows the correct answer and an explanation after you answer, in practice mode and in the exam review.
How do I get the full question bank?
Register at edurise.me and subscribe ($10/month) to practise every chapter of Grade 4 Science, take the timed exams and track your progress.
Practise all Grade 4 Science questions
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