Science, Tech, Math › Science 7th Grade Science Quiz Test Whether You Know 7th Grade Science Here's a quiz that tests whether you know as much science as a 7th grade student needs to know to pass the class. Will & Deni McIntyre / 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 May 02, 2018 1. Acids are found in many common chemicals, including foods. Acids taste: sour soapy sweet salty Correct Wrong Generally, you shouldn't taste acids. However, you know from household acids like lemon juice and vinegar, they taste kind of sour. Bases taste soapy, like detergent. 2. When wind blows, the most likely cause is: changing phases of the moon uneven heating of the Earth changing distance between the Sun and the Earth humidity of the air Correct Wrong Wind is generally created in response to a temperature difference. 3. Morning dew is an example of which portion of the water cycle? transpiration condensation evaporation precipitation Correct Wrong Dew is condensation of water vapor from the air. When the temperature drops, air can hold less water. Some of it changes into liquid. 4. The food or chemical energy source made by plants through photosynthesis is: water glucose sunlight carbon dioxide Correct Wrong Photosynthesis takes sunlight, water, and carbon dioxide to produce glucose (a sugar) and oxygen. 5. You find an igneous rock that contains large crystals. This means: Slow cooling produced the rock. Rapid cooling produced the rock. Large crystals indicate the source of the rock. Large crystals indicate how long ago the rock formed. Correct Wrong Large crystals form from slow cooling. If you grow crystals, the same is true. Control the rate of cooling to get the biggest and best crystals. 6. The preserved remains of once-living organisms are called: meteorites geodes mitochondria fossils Correct Wrong Fossils are the preserved remains of once-living creatures. Mitochondria are the cell's powerhouse. Geodes are rocks containing crystals, while meteorites are meteors that fell to Earth. 7. The probability of producing a tall plant from two hybrid tall plants is: 0% 50% 75% 100% Correct Wrong This is a genetics questions. If you cross two hybrid (heterozygous) individuals, you'll get one that carries two dominant alleles (tall), two that are heterozygous (tall), and 1 that carries two recessive alleles (short). Of course, that's all a matter of probability. Actual results may vary. 8. Cats eat rats. Rats eat grain. When grain is plentiful, what do you expect to happen? Cat population will increase. Rat population will decrease. Cat population will remain unchanged. Cat population will decrease. Correct Wrong More food means more rats. More rats can support more cats. 9. What would be the most objective, scientific way to determine which brand of golf ball travels farthest? Have a pro golfer hit each ball 10 times and measure the distance. Ask golfers which ball travels farthest. Compare the tests performed by each company. Have a machine hit each ball with equal force and measure the distance traveled by each ball. Correct Wrong While the pro golfer would yield good data, the more consistent results would come from the machine, which would hit each ball with exactly the same force. 10. What combination of sex chromosomes produces a male human? XXX XO XY XX Correct Wrong Human males are XY. Women are XX. XXX and XO are both female, although they are considered genetic abnormalities. 7th Grade Science Quiz You got: % Correct. Still Stuck in 6th Grade Science You didn't pass the 7th grade science quiz, but you probably learned some science!. Ann Cutting, Getty Images While you did not pass the 7th grade science quiz, you probably learned something taking the test. Where can you go from here? You can check to see if you know 6th grade science with another quiz drawn from national standards. Ready to take what you know into the lab? Get an idea for a science project to try. Share Your Results 7th Grade Science Quiz You got: % Correct. 7th Grade Science Success You did okay on the 7th grade science quiz, but there's still more to learn to pass that class.. Ann Cutting, Getty Images Good job! You knew many of the answers to the 7th grade science quiz. If you think you're up for the challenge, see how you do on the 8th grade science quiz. Ready to put your knowledge to use? Try a science experiment you can do at home. Share Your Results 7th Grade Science Quiz You got: % Correct. Head of the Class You passed the 7th grade science test with flying colors.. Ann Cutting, Getty Images Great job! You seem to have mastered 7th grade science. Ready for a challenge? See if you know enough to be a science trivia whiz. Ready to experiment? Here's a collection of science projects to try. Share Your Results