Science Questions For Kids – Trivia And Quiz With Answers

Learning science is like unlocking the secrets of the world around us, and it’s super important for kids! Imagine being able to answer questions like, “Why is the sky blue?” or “How do plants grow?” Science helps us understand how everything works – from the stars in the sky to the tiniest bugs on the ground. It’s like having a superpower to explore and discover.

When kids ask science questions and get answers, they’re not just memorizing facts; they’re becoming little scientists who think, question, andnd solve problems. Science is like a big adventure where you investigate, experiment, and make amazing discoveries.

So, the more kids learn about science, the more they can make sense of the incredible world they live in – and who knows, maybe one day they’ll even solve some of the biggest mysteries!

The learning process involves memorization and expanding your vocabulary through the use of worksheets. We have you covered with “The Science Behind Worksheets.”

Science Questions For Kids To Ask Preschool

  1. Question: Why is the sky blue?

Answer: The sky looks blue because of something called “scattering.” When sunlight enters the Earth’s atmosphere, it scatters in different directions. Blue light scatters more than other colors, so we see the sky as blue!

2. Question: How do plants drink water?

Answer: Plants drink water through their roots. They have tiny tubes called “roots” that soak up water from the soil. This water then travels up through the plant to give it the drink it needs to grow big and strong.

3. Question: Why do birds sing?

Answer: Birds sing to cotellwith each other. They might be tellifindr birds abouenjoytory, finding a mate, or just enjoying a cheerful song. It’s their way of talking to friends and family!

4. Question: How does a fish breathe underwater?

Answer: Fish use gills to breathe underwater. Gills are like special filters that take oxygen from the water and give it to the fish so they can live happily in their watery homes.

5. Question: Why do leaves change color in the fall?

Answer: In the fall, the days get shorter, and it gets colder. This change in weather makes the green chlorophyll in leaves disappear, and we start to see the beautiful reds, yellows, and oranges that were always there but hidden!

6. Question: How do we hear sounds?

Answer: Our ears catch sound waves, which are like invisible vibrations in the air. These vibrations travel to our brain, and that’s how we hear all the amazing sounds around us!

7. Question: Why does it rain?

Answer: Rain happens when tiny water droplets in the clouds stick together and get heavy. When they’re too heavy, they fall from the clouds as raindrops, giving water to the plants and filling up our rivers and lakes.

8. Question: How does a butterfly get its colors?

Answer: Butterflies get their colors from tiny scales on their wings. These scales reflect light differently, creating the beautiful patterns and colors we see.

9. Question: Why does the moon change shape?

Answer: The moon doesn’t make its light; it reflects the Sun’s light. As the moon orbits Earth, we see different parts lit up, so it looks like it’s changing shape – from a full moon to a crescent and back again.

10. Question: How do our bones stay strong?

Answer: Eating healthy foods with calcium, like milk and cheese, helps our bones stay strong. Also, when we play and move around, it makes our bones grow and stay healthy. So, eating well and playing is important for strong and happy bones!

Science Questions For A 10-Year-Old

Science Questions For A 10-Year-Old

  1. Question: How does a rainbow form?

Answer: Rainbows happen when sunlight passes through raindrops in the air. The sunlight bends and reflects inside the raindrops, creating the beautiful colors we see in the sky.

2. Question: Why does thunder happen after lightning?

Answer: Thunder is the sound caused by the rapid expansion of air around a lightning bolt. Lightning is so hot that it makes the air around it expand and create the booming sound we hear as thunder.

3. Question: How do airplanes fly?

Answer: Airplanes fly because of their wings. The shape of the wings and the engines help create lift, allowing the plane to stay up in the air. It’s like magic with science!

4. Question: Why do we have seasons?

Answer: Seasons happen because of Earth’s tilt. As Earth orbits the Sun, different parts receive different amounts of sunlight, creating spring, summer, fall, and winter.

5. Question: What causes earthquakes?

Answer: Earthquakes happen when there’s a sudden release of energy in the Earth’s crust, causing the ground to shake. This can occur due to movements in the Earth’s plates.

6. Question: How do plants make food?

Answer: Plants make food through a process called photosynthesis. They use sunlight, water, and carbon dioxide to create their food and release oxygen into the air.

7. Question: Why is the ocean salty?

Answer: The ocean is salty because over millions of years, rainwater has washed minerals from the land into the sea. This process has made the ocean water salty.

8. Question: How do magnets work?

Answer: Magnets have two poles, north and south. Like poles repel, and opposite poles attract. This magnetic force is what makes magnets stick to certain materials.

9. Question: What is gravity?

Answer: Gravity is the force that pulls objects towards each other. It keeps us on the ground and makes things fall when we drop them.

10. Question: How do our eyes see colors?

Answer: Our eyes have special cells called cones that detect different colors. When light enters our eyes, these cones send signals to our brains, allowing us to see the vibrant world around us.

Science Quiz For Class 2

Question: What do we call the bright ball of light in the sky that gives us light during the day?

  1. Moon
  2. Star
  3. Sun
  4. Clouds

Answer: C. Sun

Question: How does a plant drink water?

  1. Through its leaves
  2. Through its stem
  3. Through its roots
  4. Through its flowers

Answer: C. Through its roots

Question: Which of the following is a living thing?

  1. Rock
  2. Tree
  3. Chair
  4. Water

Answer: B. Tree

Question: What do we call the tiny drops of water that form on grass and leaves in the morning?

  1. Rain
  2. Dew
  3. Frost
  4. Mist

Answer: B. Dew

Question: Which animal can fly?

  1. Elephant
  2. Fish
  3. Bird
  4. Lion

Answer: C. Bird

Question: What is the color of the leaves in the fall season?

  1. Green
  2. Yellow, Orange, and Red
  3. Brown
  4. White

Answer: B. Yellow, Orange, and Red

Question: Where do fish live?

  1. Trees
  2. Ocean
  3. Desert
  4. Mountains

Answer: B. Ocean

Question: What do we call the young one of a butterfly?

  1. Caterpillar
  2. Pupa
  3. Larva
  4. Cocoon

Answer: A. Caterpillar

Question: What is the opposite of hot?

  1. Cold
  2. Warm
  3. Sunny
  4. Freezing

Answer: A. Cold

Question: What season comes after winter?

  1. Spring
  2. Summer
  3. Fall
  4. Monsoon

Answer: A. Spring

10 Biology Trivia For Kids

10 Biology Trivia For Kids

  1. Question: What is the powerhouse of the cell?

Answer: The mitochondria.

2. Question: How many chambers does the human heart have?

Answer: Four chambers – two atria and two ventricles.

3. Question: What is the largest organ in the human body?

Answer: The skin.

4. Question: What is the primary function of red blood cells?

Answer: To carry oxygen from the lungs to the rest of the body.

5. Question: Which gas do plants absorb from the air during photosynthesis?

Answer: Carbon dioxide.

6. Question: What is the smallest unit of life?

Answer: The cell.

7. Question: What is the purpose of the respiratory system?

Answer: To help the body breathe by releasing oxygen and expelling carbon dioxide.

8. Question: What is the role of the nervous system?

Answer: To transmit signals between different body parts, allowing them to communicate and coordinate actions.

9. Question: What is the chemical name for breaking down food to release energy in cells?

Answer: Cellular respiration.

10. Question: What is the function of the enzyme amylase in the digestive system?

Answer: Amylase helps break down carbohydrates into sugars during digestion.


What are the basic science questions?

  1. Question: What is the boiling point of water in Celsius?

Answer: The boiling point of water is 100 degrees Celsius.

2. Question: What is the chemical symbol for gold?

Answer: The chemical symbol for gold is Au.

3. Question: What is the Earth’s largest ocean?

Answer: The Pacific Ocean is the Earth’s largest ocean.

4. Question: What is the formula for the area of a rectangle?

Answer: The formula for the area of a rectangle is length multiplied by width (A = l * w).

5. Question: What is the force that pulls objects towards the center of the Earth?

Answer: Gravity is the force that pulls objects towards the center of the Earth.

What are science experiment questions for kids?

  1. Question: What happens to a balloon when it is filled with baking soda and vinegar?

Experiment: Combine baking soda and vinegar in a balloon, then observe and describe the reaction.

2. Question: How does a plant react when placed in different types of light?

Experiment: Place identical plants in sunlight, shade, and darkness, and observe how each grows over a few weeks.

3. Question: Do different liquids affect the rate at which ice cubes melt?

Experiment: Place ice cubes in various liquids (water, juice, soda) and measure the time it takes for each to melt, comparing the results.

4. Question: What objects float and sink in water?

Experiment: Test different objects (e.g., a paperclip, rubber duck, and a wooden block) to determine which ones float and which ones sink in a container of water.

5. Question: How does the shape of a paper airplane affect its flight?

Experiment: Create paper airplanes with different wing shapes and sizes, then launch them to observe how the changes impact their flight distance and trajectory.

Who is the father of science?

The title “Father of Science” is often attributed to several historical figures who contributed significantly to various scientific fields. One commonly recognized figure is Thales of Miletus, an ancient Greek philosopher who lived around 624–546 BCE. Thales is often considered one of the earliest thinkers to use observation and reason to explain natural phenomena rather than relying solely on mythology.

What is the full form of science?

The term “science” itself doesn’t have a complete form. Instead, science is commonly understood as the systematic, comprehensive investigation and exploration of natural phenomena, causes, and effects aimed at understanding the underlying principles and laws governing the universe.

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