Grade 3 Science Questions and Answers
A free sample of Grade 3 Science practice questions with the correct answer and an explanation, following the Lebanese curriculum. Useful for revision before school tests.
أسئلة العلوم للصف 3 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 3 Science programme.
15 Grade 3 Science practice questions
Chapter: Seed Germination & Plant Reproduction · easy
1. What is germination?
- A. A seed dying
- B. A seed starting to grow
- C. A flower wilting
- D. A tree falling
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Answer: A seed starting to grow
Explanation: The correct answer is "A seed starting to grow".
Chapter: Seed Germination & Plant Reproduction · easy
2. What three things does a seed need to germinate?
- A. Light, music, soil
- B. Water, warmth, air
- C. Paint, glue, sand
- D. Ice, wind, rocks
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Answer: Water, warmth, air
Explanation: The correct answer is "Water, warmth, air".
Chapter: Animal Classification & Adaptations · easy
3. What are animals with a backbone called?
- A. Invertebrates
- B. Vertebrates
- C. Insects
- D. Plants
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Answer: Vertebrates
Explanation: The correct answer is "Vertebrates".
Chapter: Animal Classification & Adaptations · easy
4. What are animals without a backbone called?
- A. Vertebrates
- B. Mammals
- C. Invertebrates
- D. Reptiles
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Answer: Invertebrates
Explanation: The correct answer is "Invertebrates".
Chapter: Digestive System · easy
5. What is the main job of the digestive system?
- A. To pump blood
- B. To break down food into nutrients
- C. To help us breathe
- D. To move our muscles
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Answer: To break down food into nutrients
Explanation: The correct answer is "To break down food into nutrients".
Chapter: Digestive System · easy
6. Where does digestion begin?
- A. Stomach
- B. Mouth
- C. Small intestine
- D. Large intestine
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Answer: Mouth
Explanation: The correct answer is "Mouth".
Chapter: Properties & Changes of Matter · easy
7. What is matter?
- A. Only things we can see
- B. Anything that has mass and takes up space
- C. Only liquids
- D. Only solids
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Answer: Anything that has mass and takes up space
Explanation: The correct answer is "Anything that has mass and takes up space".
Chapter: Properties & Changes of Matter · easy
8. Which of these is a physical property?
- A. Ability to burn
- B. Color
- C. Ability to rust
- D. Reacting with acid
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Answer: Color
Explanation: The correct answer is "Color".
Chapter: Energy: Heat & Light · easy
9. What is energy?
- A. A type of matter
- B. The ability to do work or cause change
- C. A color
- D. A sound
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Answer: The ability to do work or cause change
Explanation: The correct answer is "The ability to do work or cause change".
Chapter: Energy: Heat & Light · easy
10. What is the main source of heat and light for Earth?
- A. The Moon
- B. The Sun
- C. Stars at night
- D. A lamp
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Answer: The Sun
Explanation: The correct answer is "The Sun".
Chapter: The Water Cycle · easy
11. What is the water cycle?
- A. Water flowing in a river
- B. The continuous movement of water between Earth and the atmosphere
- C. Water in a glass
- D. Rain falling once
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Answer: The continuous movement of water between Earth and the atmosphere
Explanation: The correct answer is "The continuous movement of water between Earth and the atmosphere".
Chapter: The Water Cycle · easy
12. What is evaporation?
- A. Water turning to ice
- B. Water turning from liquid to gas
- C. Gas turning to liquid
- D. Rain falling
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Answer: Water turning from liquid to gas
Explanation: The correct answer is "Water turning from liquid to gas".
Chapter: Magnets: Poles and Fields · easy
13. What happens when two north poles meet?
- A. They repel
- B. They attract
- C. Nothing
- D. They break
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Answer: They repel
Explanation: The correct answer is "They repel".
Chapter: Magnets: Poles and Fields · easy
14. What is a magnet?
- A. A type of plant
- B. An object that attracts certain metals
- C. A source of light
- D. A type of rock only
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Answer: An object that attracts certain metals
Explanation: The correct answer is "An object that attracts certain metals".
Chapter: Habitats and Environments · easy
15. Where does a polar bear live?
- A. Arctic
- B. Desert
- C. Forest
- D. Ocean
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Answer: Arctic
Explanation: The correct answer is "Arctic".
More practice
These are sample questions only. The full Grade 3 Science course on EduRise includes every chapter, lessons, 1,144 questions and timed exams.
Science questions in other grades
Other Grade 3 subjects
See also: Grade 3 Science chapters · All question pages · Study guides
About these questions
Where do these Grade 3 Science questions come from?
They are a sample from EduRise's Grade 3 Science question bank (1,144 questions across 11 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 3 Science, take the timed exams and track your progress.
Practise all Grade 3 Science questions
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