science education assessment education-course-material

Year 9 Science Name _______________________ Task 3 Year 9 Science Task 3 • • • • • • Student Name: Date: Multiple Choice: Single Word: Extended Response: Final Mark: …….…….…….…….…….……. …….…….…… ……. / 10 ……. / 5 ……. / 25 ……. / 40 1 2 3 4 5 6 7 8 9 A A A A A A A A A B B B B B B B B B C C C C C C C C C D D D D D D D D D 10 A B C D Single Word 11. ...................................... 12. ...................................... 13. ...................................... 14. ...................................... 15. ...................................... RL 1/4 17/10/2008 Year 9 Science Name _______________________ Task 3 Extended Response Questions 16. Jane placed a small piece of magnesium into a beaker of hydrochloric acid and bubbles appeared in the liquid. When she did a pop test the gas ignited. What are the two products when hydrochloric acid reacts with magnesium? [2] i. ii. .............................................................................. .............................................................................. [3] 17. Put these objects in the correct order of size by numbering them from 1 to 5 i. Galaxy ii. Star iii. Jupiter iv. Earth v. Universe vi. Asteroid 18. Explain why we cannot travel to another galaxy using conventional rockets. [2] ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... 19. What would you use a chemical indicator for? [2] ..................................................................................................................................... ..................................................................................................................................... 20. Identify three signs that a chemical reaction has taken place i. ii. iii. .............................................................................. .............................................................................. .............................................................................. [3] RL 2/4 17/10/2008 Year 9 Science Name _______________________ Task 3 21. Use the word list to fill in the blanks in the ‘Life of a Star’ diagram [2] - Neutron Star - White Dwarf - Nebula - Red Giant Use the following diagram to answer questions 23 and 24. 22. Our sun is a low mass star, what will be its final stage? .................................. 23. What will be the final stage for the largest stars? .................................. [1] [1] 24. State an example of a corrosion reaction? [1] ..................................................................................................................................... RL 3/4 17/10/2008 Year 9 Science Name _______________________ Task 3 25. Complete the word equation below? [1] Acid + .................... Base + Water 26. Complete the equation for the displacement reaction below? [1] Copper Sulfate Sulfate + + Zinc Zinc .................... 27. John bubbled a mystery gas through limewater and the limewater turned white. What gas did John detect? .................................... [1] 28. You are watching a clock fall into a blackhole. List three things you would observe [3] i. ii. iii. .............................................................................. .............................................................................. .............................................................................. [2] 29. What is the difference between a compound and an element? ..................................................................................................................................... ..................................................................................................................................... RL 4/4 17/10/2008