Science - Grade 8 - Questions Page 1 of 25 1. Which organ system includes the heart and blood vessels?A. Respiratory system B. Digestive system C. Circulatory system D. Nervous system A B C D Page 2 of 25 2. Which of the following is NOT a state of matter?A. Solid B. Gas C. Water D. Liquid A B C D Page 3 of 25 3. What type of energy does a moving object have? Chemical energy B. Light energy C. Kinetic energy D. Potential energy A B C D Page 4 of 25 4. Which part of the cell controls all its activities?A. Mitochondria B. Nucleus ✅ C. Cytoplasm D. Cell membrane A B C D Page 5 of 25 5. Which simple machine is a seesaw an example of?A. Pulley B. Lever C. Inclined plane D. Screw A B C D Page 6 of 25 6. Which of the following shows a physical change?A. Burning wood B. Rusting iron C. Melting ice D. Baking a cake A B C D Page 7 of 25 7. Which organ helps the body remove waste as urine?A.Heart B. Lungs C. Kidney D. Liver A B C D Page 8 of 25 8. What do plants release during photosynthesis?A. Carbon dioxide B. Oxygen C. Nitrogen D. Glucose A B C D Page 9 of 25 9. What force pulls objects toward the Earth?A, Friction B. Gravity C. Magnetism D. Air resistance A B C D Page 10 of 25 10. Which of the following is a renewable energy source?A. Coal B. Wind C. Oil D. Natural gas A B C D Page 11 of 25 11. You place a spoon in hot tea, and the spoon becomes warm. What is this an example of?A.Radiation B. Reflection C. Conduction D. Refraction A B C D Page 12 of 25 12. Which tool is best for measuring the temperature of water?A. Ruler B. Thermometer C. Beaker D. Stopwatch A B C D Page 13 of 25 13. A person runs up a hill. What energy transformation occurs?A. Light to sound B. Potential to kinetic C. Kinetic to potential D. Chemical to heat A B C D Page 14 of 25 14. Which of these is an example of a living thing?A. Rock B. Tree C. Cloud D. Sand A B C D Page 15 of 25 15. Why does a metal pan heat up faster than a wooden one?A. Wood is denser B. Metal conducts heat better C. Wood reflects heat D. Metal repels water A B C D Page 16 of 25 16. What will most likely happen to an ice cube left on a sunny table?A. It will grow B. It will melt C. It will freeze D. It will boil A B C D Page 17 of 25 17. Which characteristic is shared by all living organisms?A. Ability to move B. Use of oxygen C. Ability to reproduce D. Green color A B C D Page 18 of 25 18. What does a food chain usually start with?A. Herbivore B. Predator C. Decomposer D. Producer A B C D Page 19 of 25 19. Which of these statements is an observation?A. The liquid smells sweet B. I think it's lemonade C. It will explode soon D. This is probably sugar water A B C D Page 20 of 25 20. A student adds salt to water and stirs. What is the result?A. A new substance forms B. A solution C. A chemical reaction D. Salt turns into gas A B C D Page 21 of 25 21. What safety gear should you wear when handling chemicals?A. Sunglasses B. Apron and gloves C. Running shoes D. Watch A B C D Page 22 of 25 22. Why do we see lightning before we hear thunder?A. Thunder is closer B. Light travels faster than sound C. Sound is brighter D. Air blocks thunder A B C D Page 23 of 25 23. A student drops a ball and it bounces. What force causes it to fall?A. Friction B. Magnetism C. Gravity D. Push A B C D Page 24 of 25 24. What will happen if a plant does not receive sunlight?A. It grows taller B. It makes more oxygen C. It will stop photosynthesis D. It will flower more A B C D Page 25 of 25 25. You pour water into different containers. What property of water stays the same?A. Its shape B. Its volume C. Its color D. Its level A B C D Submit AnswersPlease provide your contact information to proceed.Email Address *First Name *Consent *Yes, I agree with the privacy policy and terms and conditions.Start Quiz
