science-quiz

100 Science Quiz Questions and Answers for Kids

Looking for a fun way to pique your child’s curiosity and develop their interest in science? We have compiled 100 science quiz questions with answers, perfect for sparking their curiosity! From fascinating facts about the solar system to the wonders of the animal world, our science quiz for kids includes a wide range of questions on scientific topics that will entertain as well as educate young learners. Let’s dive in and see how much your little scientist already knows!

 Science Quiz for Kids in Grade 1

  1. Which of these animals lays eggs?
    1. Dog
    2. Cat
    3. Chicken
    4. Sheep

    Answer: Chicken

  2. A female horse is called a ________.
    1. Stallion
    2. Foal
    3. Mare
    4. Pony

    Answer: Mare

  3. All living things need food, air, and ____ to survive.
    1. Home
    2. Water
    3. Vegetables
    4. Fruits

    Answer: Water

  4. Which of these has feathers?
    1. Hen
    2. Crocodile
    3. Tortoise
    4. Cat

    Answer: Hen

  5. What is a male cow called?
    1. Ox
    2. Dog
    3. Sheep
    4. Monkey

    Answer: Ox

  6. A tree is fixed to the soil with its _____.
    1. Branches
    2. Roots
    3. Leaves
    4. Trunk

    Answer: Roots

  7. We breathe with the help of our ________.-H3
    1. Heart
    2. Lungs
    3. Pancreas
    4. Muscles

    Answer: Lungs

  8. The protective folds that cover the eyes are called __________.
    1. Eyelids
    2. Nostrils
    3. Nails
    4. Hair

    Answer: Eyelids

  9. Arms have hands, and legs have ______.
    1. Ankles
    2. Feet
    3. Elbows
    4. Knees
  10. Answer: Feet10. The young one of a sheep is called a _______.
    1. Puppy
    2. Kid
    3. Calf
    4. Lamb

    Answer: Lamb

  11. What is a young cow called?
    1. Puppy
    2. Kitten
    3. Calf
    4. Baby

    Answer: Calf

  12. Dark rain clouds are often accompanied by lightning and _________.
    1. Thunder
    2. Snow
    3. Sunlight
    4. Wind

    Answer: Thunder

  13. The two openings of the nose are called __________.
    1. Eyelids
    2. Nostrils
    3. Nails
    4. Hair

    Answer: Nostrils

  14. A shape that is round is called _______.
    1. Rectangle
    2. Circle
    3. Square
    4. Triangle

    Answer: Circle

  15. What part of a bird allows it to fly high in the sky?
    1. Beak
    2. Feet
    3. Wings
    4. Claws

    Answer: Wings

  16. What part of a plant makes its food?
    1. Root
    2. Stem
    3. Leaf
    4. Flower

    Answer: Leaf

  17. Which planet is called the Red Planet?
    1. Earth
    2. Mars
    3. Jupiter
    4. Venus

    Answer: Mars

  18. What do bees collect from flowers to make honey?
    1. Leaves
    2. Stems
    3. Nectar
    4. Bark

    Answer: Nectar

  19. How many legs does a spider have?
    1. 6
    2. 8
    3. 10
    4. 4

    Answer: 8

  20. Which of these is not a primary color?
    1. Red
    2. Green
    3. Blue
    4. Yellow

    Answer: Green

  21. What is the color of the sky on a clear day?
    1. Green
    2. Blue
    3. Red
    4. Yellow

    Answer: Blue

  22. Which part of your body helps you hear?
    1. Eyes
    2. Ears
    3. Nose
    4. Mouth

    Answer: Ears

  23. Which animal can live both on land and in water?
    1. Dog
    2. Frog
    3. Elephant
    4. Horse

    Answer: Frog

  24. What does a plant need to grow?
    1. Ice
    2. Water
    3. Sunshine
    4. All of the above

    Answer: All of the above

  25. What is the sound made by a lion called?
    1. Roar
    2. Growl
    3. Chirp
    4. Meow

    Answer: Roar

  26. Which of these animals has a long trunk?
    1. Giraffe
    2. Elephant
    3. Monkey
    4. Zebra

    Answer: Elephant

Science Quiz for Kids in Grades 2 and 3

  1. Animals that lay eggs to give birth to their young ones are called ____.
    1. Reptiles
    2. Birds
    3. Amphibians
    4. Mammals

    Answer: Birds

  2. What is the boiling point of water?
    1. 25°C
    2. 50°C
    3. 75°C
    4. 100°C

    Answer: 100°C

  3. A frog is a ___________.
    1. Reptile
    2. Bird
    3. Amphibian
    4. Mammal

    Answer: Amphibian

  4. Boiling water gives out ____.
    1. Mist
    2. Steam
    3. Clouds
    4. Snow

    Answer: Steam

  5. The __________ of a plant is involved in photosynthesis.
    1. Branch
    2. Leaves
    3. Root
    4. Trunk

    Answer: Leaves

  6. Which is the largest land animal?
    1. Giraffe
    2. Hippopotamus
    3. Elephant
    4. Rhinoceros

    Answer: Elephant

  7. ____ help to take out waste from the body.
    1. Lungs
    2. Kidneys
    3. Heart
    4. Brain

    Answer: Kidneys

  8. A dog expresses happiness by ________
    1. Twitching its ears
    2. Moving its head
    3. Closing its eyes
    4. Wagging its tail

    Answer: Wagging its tail

  9. When you push something, you are applying ____.
    1. Acceleration
    2. Force
    3. Mass
    4. Compression

    Answer: Force

  10. Which of the following groups of animals have scales?
    1. Mammals
    2. Amphibians
    3. Reptiles
    4. Birds

    Answer: Reptiles

  11. Where is the food collected after we chew and swallow it?
    1. Small intestine
    2. Large intestine
    3. Liver
    4. Stomach

    Answer: Stomach

  12. Which of the following materials is transparent?
    1. Paper
    2. Wood
    3. Metal
    4. Glass

    Answer: Glass

    Which of these science quiz questions with answers do your kids find intriguing?

  13. Which of the following animals is best suited for the desert?
    1. Giraffe
    2. Llama
    3. Camel
    4. Deer

    Answer: Camel

  14. A frog’s young one is called a ________.
    1. Silkworm
    2. Grasshopper
    3. Firefly
    4. Tadpole

    Answer: Tadpole

  15. What part of the skeletal system protects our brain?
    1. Spine
    2. Vertebra
    3. Pelvis
    4. Skull

    Answer: Skull

  16. What tool helps you see objects far away in the sky?
    1. Microscope
    2. Binoculars
    3. Telescope
    4. Magnifying glass

    Answer: Telescope

  17. What gas do humans need to breathe?
    1. Carbon Dioxide
    2. Nitrogen
    3. Oxygen
    4. Hydrogen

    Answer: Oxygen

  18. What kind of energy does the Sun provide?
    1. Mechanical
    2. Solar
    3. Electrical
    4. Chemical

    Answer: Solar

  19. Which of these is a renewable energy source?
    1. Coal
    2. Natural Gas
    3. Oil
    4. Solar Energy

    Answer: Solar Energy

  20. What is the largest organ in the human body?
    1. Heart
    2. Skin
    3. Liver
    4. Kidney

    Answer: Skin

  21. Which animal can change its color?
    1. Elephant
    2. Chameleon
    3. Lion
    4. Whale

    Answer: Chameleon

  22. What is the shape of the Earth?
    1. Flat
    2. Oval
    3. Round
    4. Square

    Answer: Round

Science Quiz for Kids in Grades 4, 5, 6 and 7

  1. What connects muscles to bones?
    1. Skin
    2. Blood vessels
    3. Fat
    4. Tendon

    Answer: Tendon

  2. Plants require ________ for photosynthesis.
    1. Hydrogen
    2. Carbon monoxide
    3. Carbon dioxide
    4. Oxygen

    Answer: Carbon dioxide

  3. Which nutrient has an important role in building muscles?
    1. Protein
    2. Carbohydrate
    3. Iron
    4. Fat

    Answer: Protein

  4. Which is the only natural satellite of Earth?
    1. Sun
    2. Mars
    3. Stars
    4. Moon

    Answer: Moon

  5. Which scientist proposed the three laws of motion?
    1. Thomas Alva Edison
      b. Isaac Newton
      c. Stephen Hawking.
    2. Albert Einstein

    Answer: Isaac Newton

  6. Earth is surrounded by layers of gases which are called the _____.
    1. Hydrosphere
    2. Stratosphere
    3. Atmosphere
    4. Ozone layer

    Answer: Atmosphere

  7. Which system of the body controls our body structure?
    1. Circulatory system
    2. Digestive system
    3. Nervous system
    4. Skeletal system

    Answer: Skeletal system

  8. Which is the largest animal on earth?
    1. Giraffe
    2. Elephant
      c. Blue whale
      d. Hippopotamus

    Answer: Blue whale

  9. Similar body cells group together to form _______.
    1. Organ
    2. Joints
    3. Blood vessels
    4. Tissues

    Answer: Tissues

  10. Motion gives out ___________ energy.
    1. Potential energy
    2. Electrical energy
    3. Kinetic energy
    4. Gravitational energy

    Answer: Kinetic energy

  11. The standard unit of measurement for energy is ____.
    1. Newton
    2. Ampere
    3. Watt
    4. Joule

    Answer: Joule

  12. The strongest sense of a dog is ________.
    1. Touch
    2. Hearing
    3. Smell
    4. Taste

    Answer: Smell

  13. Animals that only eat plants are called ___________.
    1. Herbivores
    2. Insectivores
    3. Carnivores
    4. Omnivores

    Answer: Herbivores

  14. A single strand of coiled DNA is called _________.
    1. Nucleus
    2. Ribosome
    3. Chromosome
    4. Cytoplasm

    Answer: Chromosome

  15. Mushrooms are a type of ________.
    1. Plant
    2. Animal
    3. Bacterium
    4. Fungus

    Answer: Fungus

  16. The planet closest to the sun is ________.
    1. Venus
    2. Mars
    3. Mercury
    4. Earth

    Answer: Mercury

  17. What is the process by which plants release water vapour into the air?
    1. Condensation
    2. Transpiration
    3. Evaporation
    4. Precipitation

    Answer: Transpiration

  18. What force pulls objects toward each other?
    1. Magnetism
    2. Friction
    3. Gravity
    4. Electricity

    Answer: Gravity

  19. Which planet in our solar system has the strongest gravitational pull?
    1. Mars
    2. Jupiter
    3. Earth
    4. Venus

    Answer: Jupiter

  20. What happens to your weight if you visit the moon?
    1. It increases
    2. It decreases
    3. It stays the same
    4. You become weightless

    Answer: It decreases

Science Quiz for Kids of Grades 8, 9 and 10

  1. “For every action, there is an equal and opposite reaction.” Which of Newton’s laws of motion states this?
    1. First Law
    2. Second Law
    3. Third Law
    4. None

    Answer: Third Law

  2. Which biologist came up with the theory of evolution through natural selection?
    1. Alexander Fleming
    2. Stephen Hawking
    3. Francesco Redi
    4. Charles Darwin

    Answer: Charles Darwin

  3. The outward force, away from the center, felt by an object in circular motion is ___.
    1. Circular force
    2. Centripetal force
    3. Centrifugal force
    4. Elastic force

    Answer: Centrifugal force

  4. What type of energy depletes with time?
    1. Kinetic energy
    2. Non-renewable energy
    3. Gravitational energy
    4. Renewable energy

    Answer: Non-renewable energy

  5. Which part of the cell is called its powerhouse?
    1. Ribosome
    2. Endoplasmic reticulum
    3. Cytoplasm
    4. Mitochondria

    Answer: Mitochondria

  6. When light bends as it passes through a glass prism, it is called ____.
    1. Reflection
    2. Refraction
    3. Diffraction
    4. Absorption

    Answer: Refraction

  7. Which of the following is not a form of carbon?
    1. Diamond
    2. Graphite
    3. Amorphous carbon
    4. Ferrite

    Answer: Ferrite

  8. Antibiotics are given to fight __________.
    1. Virusa
    2. Bacteria
    3. Fungus
    4. Yeast

    Answer: Bacteria

  9. An acidic liquid will have a ___ pH.
    1. High
    2. Medium
    3. Equal
    4. Low

    Answer: Low

  10. The lightest element in the periodic table is _______.
    1. Helium
    2. Nitrogen
    3. Carbon
    4. Hydrogen

    Answer: Hydrogen

  11. What do plants need to perform photosynthesis?
    1. Carbon dioxide and water
    2. Oxygen and sunlight
    3. Nitrogen and water
    4. Sunlight and oxygen

    Answer: Carbon dioxide and water

  12. Diabetes is caused by problems in which organ?
    1. Liver
    2. Heart
    3. Pancreas
    4. Kidneys

    Answer: Pancreas

  13. Which of the following is not a form of carbon?
    1. Diamond
    2. Graphite
    3. Amorphous carbon
    4. Ferrite

    Answer: Ferrite

  14. Sweet potato is an example of a modified ___________.
    1. Leaf
    2. Root
    3. Stem
    4. Branch

    Answer: Root

  15. Who is considered the father of physics?
    1. Albert Einstein
    2. Isaac Newton
    3. Nikola Tesla
    4. Galileo Galilei

    Answer: Isaac Newton

  16. What is the chemical symbol for gold?
    1. Au
    2. Ag
    3. Hg
    4. Fe

    Answer: Au

  17. What is the main source of energy for the Earth?
    1. Sun
    2. Wind
    3. Water
    4. Oil

    Answer: Sun

  18. What is the name of the force that keeps the planets in orbit around the Sun?
    1. Magnetism
    2. Friction
    3. Gravity
    4. Electricity

    Answer: Gravity

  19. What do we call the movement of tectonic plates?
    1. Earthquakes
    2. Plate tectonics
    3. Volcanoes
    4. Hurricanes

    Answer: Plate tectonics

  20. Who developed the periodic table of elements?
    1. Albert Einstein
    2. Marie Curie
    3. Dmitri Mendeleev
    4. Isaac Newton

    Answer: Dmitri Mendeleev

  21. What is the function of white blood cells?
    1. Carry oxygen
    2. Fight infections
    3. Transport nutrients
    4. Control movement

    Answer: Fight infections

  22. How many bones are there in the adult human body?
    1. 206
    2. 208
    3. 210
    4. 201

    Answer: 206

  23. What is the formula for water?
    1. H₂O
    2. CO₂
    3. O₂
    4. H₂O₂

    Answer: H₂O

  24. Which planet orbits closest to the Sun?
    1. Venus
    2. Earth
    3. Mercury
    4. Mars

    Answer: Mercury

  25. Which is the largest planet in our solar system?
    1. Saturn
    2. Earth
    3. Jupiter
    4. Neptune

    Answer: Jupiter

  26. Which gas makes up the majority of the Earth’s atmosphere?
    1. Oxygen
    2. Nitrogen
    3. Carbon dioxide
    4. Hydrogen

    Answer: Nitrogen

  27. What process allows plants to produce their own food?
    1. Respiration
    2. Photosynthesis
    3. Germination
    4. Pollination

    Answer: Photosynthesis

  28. How many permanent teeth does a fully grown adult have?
    1. 28
    2. 32
    3. 30
    4. 34

    Answer: 32

  29. What is the field of study that focuses on the Earth’s weather and atmosphere?
    1. Astronomy
    2. Meteorology
    3. Climatology
    4. Oceanography

    Answer: Meteorology

  30. What is the name of the scientific study of earthquakes?
    1. Volcanology
    2. Seismology
    3. Geophysics
    4. Oceanography

    Answer: Seismology

  31. Which layer of the Earth’s atmosphere is responsible for weather patterns?
    1. Stratosphere
    2. Mesosphere
    3. Troposphere
    4. Thermosphere

    Answer: Troposphere

  32. What is the field of study that focuses on Earth’s rocks and minerals?
    1. Geology
    2. Paleontology
    3. Meteorology
    4. Archaeology

    Answer: Geology

  33. Which scientific discipline deals with the study of Earth’s oceans?
    1. Geophysics
    2. Oceanography
    3. Hydrology
    4. Climatology

    Answer: Oceanography

Conclusion

Our science quiz for kids is all about making learning exciting and interactive. Each question is crafted to spark curiosity and inspire kids to ask even more questions as they explore the world around them. Moreover, taking a science quiz for kids helps them explore the world of science and develop a passion for the subject. If you are looking to make science even more engaging for your children, check out this insightful blog on how to keep science fun and interesting: How Do You Make Science Interesting for Kids?

For informative and accurate articles on all things related to your little one’s development, growth, health and nutrition, check out EuroKids Blogs. Be sure to check out EuroKids preschools for an ideal start to your child’s educational journey!