Science, Tech, Math › Science 6th Grade Science Quiz Do You Know as Much Science as a 6th Grade Student? These 6th grade science students think they are so smart! Let's see if you can ace this quiz to show you know as much as them. Klaus Vedfelt / Getty Images Science Chemistry Activities for Kids Basics Chemical Laws Molecules Periodic Table Projects & Experiments Scientific Method Biochemistry Physical Chemistry Medical Chemistry Chemistry In Everyday Life Famous Chemists Abbreviations & Acronyms Biology Physics Geology Astronomy Weather & Climate By Anne Marie Helmenstine, Ph.D. Anne Marie Helmenstine, Ph.D. Chemistry Expert Ph.D., Biomedical Sciences, University of Tennessee at Knoxville B.A., Physics and Mathematics, Hastings College Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels. Learn about our Editorial Process Updated on July 03, 2019 1. Which of these actions will help keep your home the coolest in the summer? opening and closing the refrigerator a lot turning off the tv, computer, radio, games, etc. opening the windows during the day closing the shades or blinds over the windows 2. You see your reflection in a mirror because: light is absorbed light is diffracted light is reflected light is refracted 3. When you increase the length of a guitar string, the pitch or vibration speed that is produced becomes: louder softer higher lower 4. One of the most important functions of microorganisms in an ecosystem is that they: decompose dead organisms limit the number of large animals produce food using the sun's energy provide food for large animals 5. How can you tell the difference between algae and protozoa? Protozoa have cells walls while algae do not. Most protozoa move while most algae do not. Protozoa are green while algae are not. Protozoa are larger than algae. 6. How is space technology different from space exploration? Technology is concerned with theories, not practical applications. Technology is concerned with the application of discoveries made during space exploration. Technology is only applied to the earth, not other planets. Technology is concerned mainly with space history. 7. Which would be the best material you could use to separate heat from cold? steel iron glass wood 8. One way light and sound differ is: Light exists whether it is observed or not. Sound only exists if someone hears it. Light can travel in a vacuum. Sound can't travel in a vacuum. Light is associated with energy, sound is not. Light travels in waves, sound does not. 9. Yeast is added to make some breads and cheeses to: add flavor change sugars into starches grow and release waste products that affect the food add golden color 10. Anton van Leeuwenhoek discovered: telescopes microorganisms cameras radium 6th Grade Science Quiz You got: % Correct. Still Stuck in 6th Grade Science You failed the 6th grade science quiz.. Ann Cutting, Getty Images Yes, you failed. Don't worry, no one will know! Maybe you need good reasons to learn science. Here are some ways knowing chemistry can actually save your life. Ready for another quiz? Don't worry -- you don't have to know facts and figures to find out which alchemy element you are. Share Your Results 6th Grade Science Quiz You got: % Correct. 6th Grade Science Success Story You passed the 6th grade science quiz. Good job!. Ann Cutting, Getty Images While you didn't get a perfect score, you had a good grasp of 6th grade science essentials. Put that knowledge to use and try science projects in your own home. Ready for another quiz? Let's see if you're a true science whiz. Share Your Results 6th Grade Science Quiz You got: % Correct. 6th Grade Science Star Pupil You did great on the 6th grade science quiz.. Ann Cutting, Getty Images You aced 6th grade science. Kick it up an notch and see if you know enough to pass 9th grade science. Ready to put your knowledge to use? Here's a collection of science experiments you can do in your kitchen. Share Your Results