Science Quiz for Grade 6 Students | 30 MCQs with Answers

Grade 6 Science Quiz: 30 Questions with Answers!

30 Science Quiz for Grade 6 Students Questions with Answers! FREE USA NGSS: cell powerhouse mitochondria, plant chloroplasts, food chain producers, H2O formula, gravity force, energy conservation, light vacuum fastest, sedimentary fossils. Perfect homeschool review, classroom test prep, science fair warm-up! Average 26/30โ€”did you ace it?

Science Quiz for Grade 6 Students | 30 MCQs with Answers

 

Results

๐ŸŽ‰ Congratulations! You Passed the Quiz!

Excellent work! ๐Ÿ‘
You scored 70% or higher, which shows your knowledge is strong.

๐Ÿง  Keep testing your skills and exploring new topics.
๐Ÿ”ฅ You can now choose any quiz you like and continue learning.

๐Ÿ‘‰ Select your favorite quiz and challenge yourself again!

Keep Going! Youโ€™re Learning ๐Ÿ’ก

You didnโ€™t reach 70% this time โ€” and thatโ€™s okay ๐Ÿ‘
Every attempt helps you understand more.

๐Ÿ“– Review the questions and answers.
๐Ÿง  Try the quiz again and improve your score.

#1. According to the Law of Conservation of Energy, energy can never be created or destroyed, it can only…?

#2. Photosynthesis needs?

#3. In which substance does light travel at its absolute fastest speed of 186,000 miles per second?

#4. What important gas do red blood cells carry from your lungs to all parts of your body?

#5. What type of rock forms when lava from volcanoes cools and hardens on the surface?

#6. Plant cells have, animal cells don’t?

#7. What is an ecosystem made up of, including both living and non-living components?

#8. What are the three main states that all matter can exist in depending on temperature and pressure?

#9. How many main layers is the Earth made of from surface to center?

#10. Powerhouse of the cell?

#11. When you mix vinegar (acid) with baking soda (base), what two products does the chemical reaction create?

#12. What does sound travel through by causing molecules to vibrate one after another?

#13. How many bones does the average adult human skeleton contain after all the baby bones have fused together?

#14. For electric current to flow through a circuit and light a bulb, what must be present?

#15. Which materials allow electricity to flow easily through them, like copper wires?

#16. In which type of rock are you most likely to find preserved dinosaur bones and ancient footprints?

#17. Which gas giant planet is famous for having beautiful icy rings that you can see with a telescope?

#18. Which step of the water cycle changes liquid water from oceans and lakes into water vapor gas?

#19. What is the huge star at the exact center of our solar system that all planets orbit around?

#20. Which rocky planet is closest to the Sun and has the shortest year of only 88 Earth days?

#21. Which gas in Earth’s atmosphere traps heat from the Sun and contributes to the greenhouse effect?

#22. What molecule inside our cells carries the genetic instructions that we inherit from our parents?

#23. What natural processes slowly break down large rocks into smaller pieces over thousands of years?

#24. Control center of cell?

#25. Living things need?

#26. How long does it take for the Earth to complete one full rotation on its axis, creating day and night?

#27. What is the chemical formula for a molecule made of two hydrogen atoms bonded to one oxygen atom?

#28. Which everyday material will a magnet stick to because it contains iron particles?

#29. Food chain starts with?

#30. What invisible force constantly pulls objects toward the center of the Earth?

Previous
Finish

More Quiz –

Fun Quiz For Grade 6 Questions with Answers

Leave a Comment

ยฉ 2026 Quizmento.com. All rights reserved.