Explore 100 important science gk questions for class 4 with answers, categorized by Term 1, Term 2, CBSE, and ICSE pattern. Perfect for quick revision and competitive preparation.
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| 100 Science GK Questions for Class 4 with Answers |
🧠 Science GK Questions for Class 4 with Answers
Science is all around us — from the food we eat to the stars in the sky. For students in Class 4, learning science through General Knowledge (GK) questions is a fun and effective way to build a strong foundation. This article offers 100+ science GK questions for Class 4 with answers, carefully divided into four sections: Term 1, Term 2, CBSE, and ICSE.
These multiple-choice questions are designed to improve understanding, spark curiosity, and prepare students for school exams, Olympiads, and quiz competitions. Whether you’re a parent, teacher, or student, this guide will help you revise quickly and confidently. Let’s explore the world of science in a simple and engaging way!
🧪 Science GK Questions for Class 4 with Answers Term 1
🔬 Term 1 MCQs – Basic Science Concepts (25 Questions)
1. Which of these is a non-living thing?
A) Dog
B) Tree
C) Rock
D) Cat
✅ Answer: C) Rock
2. What helps plants make their food?
A) Roots
B) Sunlight
C) Soil
D) Flowers
✅ Answer: B) Sunlight
3. Which organ helps us breathe?
A) Heart
B) Brain
C) Lungs
D) Stomach
✅ Answer: C) Lungs
4. Which of these is a living thing?
A) Chair
B) Fan
C) Bird
D) Pencil
✅ Answer: C) Bird
5. What part of the plant absorbs water from the soil?
A) Leaf
B) Stem
C) Root
D) Flower
✅ Answer: C) Root
6. What is the main function of the heart?
A) To digest food
B) To pump blood
C) To store energy
D) To help us breathe
✅ Answer: B) To pump blood
7. Which part of the plant makes seeds?
A) Stem
B) Leaf
C) Flower
D) Root
✅ Answer: C) Flower
8. What do we call the process of breaking down food in our body?
A) Digestion
B) Respiration
C) Circulation
D) Reproduction
✅ Answer: A) Digestion
9. Which sense organ helps us smell?
A) Eyes
B) Ears
C) Nose
D) Tongue
✅ Answer: C) Nose
10. Which food group builds our muscles?
A) Carbohydrates
B) Proteins
C) Fats
D) Vitamins
✅ Answer: B) Proteins
11. Which of these is used for safety at home?
A) Knife
B) Electric wire
C) Smoke alarm
D) Candle
✅ Answer: C) Smoke alarm
12. How many senses do humans have?
A) Four
B) Five
C) Six
D) Seven
✅ Answer: B) Five
13. What is the function of the skeleton in our body?
A) Helps in digestion
B) Pumps blood
C) Gives shape and support
D) Protects eyes
✅ Answer: C) Gives shape and support
14. Which organ helps us think?
A) Heart
B) Brain
C) Lungs
D) Stomach
✅ Answer: B) Brain
15. What is the main source of energy for Earth?
A) Moon
B) Wind
C) Sun
D) Water
✅ Answer: C) Sun
16. Which of these is good hygiene practice?
A) Sharing toothbrush
B) Washing hands before eating
C) Sleeping late
D) Eating junk food
✅ Answer: B) Washing hands before eating
17. What helps us see objects?
A) Heat
B) Sound
C) Light
D) Air
✅ Answer: C) Light
18. What do we call animals that eat only plants?
A) Carnivores
B) Herbivores
C) Omnivores
D) Insectivores
✅ Answer: B) Herbivores
19. What carries messages in our body?
A) Muscles
B) Blood
C) Nerves
D) Bones
✅ Answer: C) Nerves
20. Which part of the plant grows above the ground?
A) Root
B) Stem
C) Seed
D) Fruit
✅ Answer: B) Stem
21. What causes day and night?
A) Movement of clouds
B) Rotation of the Earth
C) Rising of the moon
D) Sun changing its shape
✅ Answer: B) Rotation of the Earth
22. What helps our bones move?
A) Blood
B) Brain
C) Muscles
D) Skin
✅ Answer: C) Muscles
23. What is used to hear sounds?
A) Nose
B) Eyes
C) Ears
D) Tongue
✅ Answer: C) Ears
24. What is the boiling point of water?
A) 100°C
B) 50°C
C) 0°C
D) 200°C
✅ Answer: A) 100°C
25. What is the shape of Earth?
A) Cube
B) Flat
C) Round
D) Triangle
✅ Answer: C) Round
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🌱 Science GK Questions for Class 4 with Answers Term 2
🌍 Term 2 MCQs – Environmental & Applied Science (25 Questions)
1. Which of the following is not a state of matter?
A) Solid
B) Liquid
C) Gas
D) Energy
✅ Answer: D) Energy
2. What is water called when it changes into gas?
A) Ice
B) Vapor
C) Liquid
D) Cloud
✅ Answer: B) Vapor
3. Which gas is essential for us to breathe?
A) Carbon dioxide
B) Oxygen
C) Nitrogen
D) Hydrogen
✅ Answer: B) Oxygen
4. What is the process of water turning into vapor called?
A) Condensation
B) Melting
C) Freezing
D) Evaporation
✅ Answer: D) Evaporation
5. Which of these is the hottest planet in our solar system?
A) Earth
B) Mercury
C) Venus
D) Mars
✅ Answer: C) Venus
6. Which tool shows the direction of the wind?
A) Thermometer
B) Wind vane
C) Rain gauge
D) Barometer
✅ Answer: B) Wind vane
7. What season comes after summer?
A) Winter
B) Monsoon
C) Autumn
D) Spring
✅ Answer: B) Monsoon
8. What is the movement of air called?
A) Water
B) Wind
C) Cloud
D) Vapor
✅ Answer: B) Wind
9. Which part of the solar system gives us heat and light?
A) Moon
B) Earth
C) Mars
D) Sun
✅ Answer: D) Sun
10. What is the Earth’s natural satellite?
A) Sun
B) Mars
C) Moon
D) Jupiter
✅ Answer: C) Moon
11. What force pulls things down to Earth?
A) Magnetism
B) Friction
C) Gravity
D) Electricity
✅ Answer: C) Gravity
12. Which machine is used to lift heavy objects?
A) Hammer
B) Pulley
C) Screwdriver
D) Lever
✅ Answer: B) Pulley
13. What causes day and night on Earth?
A) Earth’s revolution
B) Earth’s rotation
C) Moon’s orbit
D) Sun’s movement
✅ Answer: B) Earth’s rotation
14. Which of these is a solid?
A) Juice
B) Water
C) Ice
D) Steam
✅ Answer: C) Ice
15. What kind of machine is a seesaw?
A) Wedge
B) Pulley
C) Lever
D) Screw
✅ Answer: C) Lever
16. Which season is known for snowfall in some places?
A) Summer
B) Monsoon
C) Spring
D) Winter
✅ Answer: D) Winter
17. Which gas do plants give out during photosynthesis?
A) Oxygen
B) Carbon dioxide
C) Hydrogen
D) Nitrogen
✅ Answer: A) Oxygen
18. What do clouds carry?
A) Smoke
B) Water vapor
C) Dust
D) Stars
✅ Answer: B) Water vapor
19. Which object moves around the Sun?
A) Stars
B) Moon
C) Planets
D) Comets
✅ Answer: C) Planets
20. What tool is used to measure temperature?
A) Wind vane
B) Thermometer
C) Compass
D) Barometer
✅ Answer: B) Thermometer
21. What is freezing?
A) Liquid to solid
B) Solid to gas
C) Gas to liquid
D) Solid to liquid
✅ Answer: A) Liquid to solid
22. Which of these is an example of a wedge?
A) Knife
B) Wheel
C) Pulley
D) Spring
✅ Answer: A) Knife
23. What makes things move?
A) Water
B) Force
C) Heat
D) Light
✅ Answer: B) Force
24. What protects us from harmful rays of the sun?
A) Moon
B) Water
C) Ozone layer
D) Rain
✅ Answer: C) Ozone layer
25. Which object in the sky changes shape every night?
A) Sun
B) Venus
C) Moon
D) Mars
✅ Answer: C) Moon
📘 Science GK Questions for Class 4 with Answers CBSE
🧠 CBSE Pattern MCQs (25 Questions)
The following multiple-choice questions are designed following the CBSE curriculum for Class 4 Science. These questions include conceptual, observation-based, and practical knowledge of nature and everyday science.
1. What do plants need to prepare their food?
A) Oxygen
B) Chlorophyll
C) Carbon monoxide
D) Soil
✅ Answer: B) Chlorophyll
2. Which sense organ helps us to smell things?
A) Eyes
B) Nose
C) Tongue
D) Skin
✅ Answer: B) Nose
3. Which part of the plant is usually underground?
A) Leaf
B) Root
C) Stem
D) Flower
✅ Answer: B) Root
4. How many bones are there in the adult human body?
A) 200
B) 206
C) 210
D) 201
✅ Answer: B) 206
5. What is the main source of energy for Earth?
A) Wind
B) Electricity
C) Sun
D) Moon
✅ Answer: C) Sun
6. Which natural resource do we get from rivers?
A) Coal
B) Oil
C) Water
D) Salt
✅ Answer: C) Water
7. Which of these animals lays eggs?
A) Cow
B) Dog
C) Cat
D) Hen
✅ Answer: D) Hen
8. What does a thermometer measure?
A) Length
B) Volume
C) Temperature
D) Speed
✅ Answer: C) Temperature
9. What causes a rainbow?
A) Wind
B) Dust
C) Rain and sunlight
D) Clouds
✅ Answer: C) Rain and sunlight
10. What does the heart do?
A) Helps in breathing
B) Pumps blood
C) Produces heat
D) Helps in movement
✅ Answer: B) Pumps blood
11. Which organ helps us to digest food?
A) Brain
B) Liver
C) Lungs
D) Skin
✅ Answer: B) Liver
12. What do bees collect from flowers?
A) Pollen
B) Nectar
C) Dust
D) Seeds
✅ Answer: B) Nectar
13. What are stars made of?
A) Water
B) Rocks
C) Gases
D) Soil
✅ Answer: C) Gases
14. Which planet is known as the Red Planet?
A) Earth
B) Mars
C) Venus
D) Jupiter
✅ Answer: B) Mars
15. What do we wear to protect ourselves from rain?
A) Sweater
B) Cap
C) Raincoat
D) Socks
✅ Answer: C) Raincoat
16. Which body part helps you to feel hot or cold?
A) Eyes
B) Nose
C) Skin
D) Ears
✅ Answer: C) Skin
17. How many planets are there in the solar system?
A) 9
B) 7
C) 8
D) 10
✅ Answer: C) 8
18. What are living things that can make their own food?
A) Humans
B) Animals
C) Plants
D) Insects
✅ Answer: C) Plants
19. Which part of the plant turns sunlight into food?
A) Root
B) Stem
C) Leaf
D) Flower
✅ Answer: C) Leaf
20. What is the boiling point of water?
A) 100°C
B) 90°C
C) 50°C
D) 200°C
✅ Answer: A) 100°C
21. Which part of our body helps us to move?
A) Bones and muscles
B) Brain
C) Stomach
D) Nose
✅ Answer: A) Bones and muscles
22. What do you call animals that live in water?
A) Amphibians
B) Birds
C) Aquatic animals
D) Mammals
✅ Answer: C) Aquatic animals
23. Which of the following is a gas?
A) Ice
B) Water
C) Air
D) Juice
✅ Answer: C) Air
24. What gives green color to leaves?
A) Oxygen
B) Carbon
C) Chlorophyll
D) Nitrogen
✅ Answer: C) Chlorophyll
25. What should we do before eating food?
A) Jump
B) Play
C) Wash hands
D) Sleep
✅ Answer: C) Wash hands
📗 Science GK Questions for Class 4 with Answers ICSE
🧠 ICSE Syllabus-based MCQs (25 Questions)
These ICSE-style science questions are curated to improve concept clarity and encourage logical thinking. Topics include the plant and animal kingdom, hygiene and health, and basic scientific reasoning — all designed for Class 4 ICSE students.
1. Which part of the plant carries water from roots to leaves?
A) Flower
B) Leaf
C) Stem
D) Fruit
✅ Answer: C) Stem
2. Which of the following is a carnivorous animal?
A) Cow
B) Lion
C) Rabbit
D) Elephant
✅ Answer: B) Lion
3. Why should we not eat uncovered food?
A) It looks bad
B) It gets cold
C) It may contain germs
D) It becomes sweet
✅ Answer: C) It may contain germs
4. Which of these helps to fight diseases?
A) Water
B) Blood
C) White blood cells
D) Bones
✅ Answer: C) White blood cells
5. Which of the following is a domestic animal?
A) Tiger
B) Goat
C) Leopard
D) Deer
✅ Answer: B) Goat
6. What does the root of a plant do?
A) Prepares food
B) Absorbs water
C) Protects the plant
D) Grows fruits
✅ Answer: B) Absorbs water
7. Which sense organ helps us to balance?
A) Eyes
B) Nose
C) Ears
D) Skin
✅ Answer: C) Ears
8. What is the gas used by humans to breathe?
A) Nitrogen
B) Carbon dioxide
C) Oxygen
D) Hydrogen
✅ Answer: C) Oxygen
9. Which safety rule should be followed in the kitchen?
A) Run and play
B) Touch hot vessels
C) Stay away from fire
D) Eat raw food
✅ Answer: C) Stay away from fire
10. What is the color of healthy leaves?
A) Yellow
B) Brown
C) Green
D) Red
✅ Answer: C) Green
11. Which part of the body helps us think?
A) Heart
B) Brain
C) Liver
D) Lungs
✅ Answer: B) Brain
12. What are animals that eat only plants called?
A) Carnivores
B) Herbivores
C) Omnivores
D) Insects
✅ Answer: B) Herbivores
13. How do fish breathe underwater?
A) Using lungs
B) Using gills
C) Using nose
D) Through fins
✅ Answer: B) Using gills
14. What protects our body like a shell?
A) Blood
B) Skin
C) Bones
D) Muscles
✅ Answer: B) Skin
15. Why should we drink clean water?
A) It tastes better
B) It keeps us awake
C) It prevents diseases
D) It is cold
✅ Answer: C) It prevents diseases
16. Which of the following can fly?
A) Cow
B) Crow
C) Cat
D) Snake
✅ Answer: B) Crow
17. Why do we sweat?
A) To stay dry
B) To keep warm
C) To remove waste and cool the body
D) To make skin shiny
✅ Answer: C) To remove waste and cool the body
18. Which of these is a healthy habit?
A) Skipping meals
B) Eating junk food daily
C) Washing hands before eating
D) Watching TV all day
✅ Answer: C) Washing hands before eating
19. How does the sun help plants?
A) Cools them
B) Helps in making food
C) Makes them sleep
D) Changes their color
✅ Answer: B) Helps in making food
20. What is the role of the skeleton in our body?
A) To digest food
B) To filter blood
C) To give shape and support
D) To carry oxygen
✅ Answer: C) To give shape and support
21. Which of the following is NOT a source of water?
A) River
B) Ocean
C) Well
D) Fire
✅ Answer: D) Fire
22. What do we call animals that live both on land and in water?
A) Reptiles
B) Birds
C) Amphibians
D) Mammals
✅ Answer: C) Amphibians
23. Why should we brush our teeth twice a day?
A) To make teeth white
B) To avoid toothache
C) To play with the brush
D) To taste toothpaste
✅ Answer: B) To avoid toothache
24. What causes day and night?
A) Movement of sun
B) Movement of earth
C) Movement of moon
D) Movement of clouds
✅ Answer: B) Movement of earth
25. Which of these is a sense organ?
A) Hand
B) Heart
C) Ear
D) Leg
✅ Answer: C) Ear
🎯 Conclusion
Solving science GK questions for class 4 with answers helps young learners build a strong foundation in science through fun, engaging, and logical thinking. These well-structured multiple-choice questions not only sharpen memory and observation skills but also prepare students for school exams and science Olympiads.
Parents and teachers can use this resource as a daily practice guide, and students can revisit it for self-assessment before exams. The blend of CBSE, ICSE, Term 1, and Term 2-style questions ensures complete coverage of core science concepts in a student-friendly manner.
👉 Bookmark this article or share it with friends and classmates preparing for Class 4 Science exams — and turn learning into a joyful journey! 🌟