scicent_SQ_U2_1_SetB_final_e.pdf

Set B S1 Science Section Quiz (Section 2.1) Unit 2: Water Set B S1 Science...

Set B S1 Science Section Quiz (Section 2.1) Unit 2: Water Set B S1 Science Unit 2 — Section Quiz Section 2.1 Name: ___________________________ ( ) Class: _________ Date: _____________ Total marks: 20 marks Time allowed: 15 minutes Score: / 20 Answer ALL questions. Part A True or false (5 marks; 1 mark each) Write ‘T’ for a true statement and ‘F’ for a false statement. 1. Water vapours are present in air.  2. When ice melts, it releases energy to the surroundings.  3. The temperature of water continuously decreases during the process of freezing.  4. Evaporation produces a cooling effect.  E 5. It takes longer time for the evaporation process on a rainy day than a sunny day.  Part B Multiple-choice (5 marks; 1 mark each) Choose the correct answer for each question. 1. Which of the following correctly represents the process of boiling? A. water steam absorbs energy B. water steam releases energy C. water water vapour absorbs energy D. water water vapour  releases energy Aristo Science for the New Century © Aristo Educational Press Ltd. 2019 -1- S1 Science Section Quiz (Section 2.1) Unit 2: Water Set B 2. Evaporation of water takes place at A. room temperature (25 C) only. B. any temperature. C. its boiling point. D. a temperature higher than its boiling point.  3. Which of the following statements about the water cycle are correct? (1) During the water cycle, water changes into different states: solid, liquid and gas. (2) The Sun is the source of energy for the water cycle. (3) The water cycle keeps the total water on Earth constant. A. (1) and (2) only B. (1) and (3) only C. (2) and (3) only D. (1), (2) and (3)  4. The following model simulates the water cycle. zipper bag of ice cubes metal dish transparent plastic container table lamp beaker coloured hot water What is the purpose of the ice cubes? A. As a weight to keep the metal dish closed on the transparent plastic container B. To keep the metal dish cold enough for water to evaporate C. To keep the metal dish cold enough for water vapour to condense D. To keep the metal dish cold enough for water vapour to freeze  Aristo Science for the New Century © Aristo Educational Press Ltd. 2019 -2-  S1 Science Section Quiz (Section 2.1) Unit 2: Water Set B E 5. Four students want to carry out an experiment to find out whether or not surface area affects the rate of evaporation. The table below shows the sets of conditions proposed by each student. Set Volume of Surface area of the Temperature Speed of wind water (mL) container (cm2) of water (C) (km/h) (1) 100 50 30 5 (2) 100 80 25 10 (3) 100 50 25 10 (4) 100 80 25 5 Which two sets should be used to ensure the experiment is a fair test? A. (1) and (2) B. (1) and (4) C. (2) and (3) D. (3) and (4)  Part C Questions (10 marks) 1. The following diagram shows the water cycle. Q clouds P rain (a) (i) Name the process P. (1 mark) (ii) State the change in the state of water during process P. (1 mark) Aristo Science for the New Century © Aristo Educational Press Ltd. 2019 -3- S1 Science Section Quiz (Section 2.1) Unit 2: Water Set B (b) (i) Name the process Q. (1 mark) (ii) State the change in the state of water during process Q. (1 mark) 2. The following two beakers contain the same volume of water. One of the beakers contains cold water and the other contains hot water. After the two beakers are left on the bench for 10 minutes, some water droplets form on the outer wall of beaker X and the inner wall of beaker Y separately. metal lid metal lid water droplets beaker X beaker Y (a) Which beaker contains cold water? Explain your answer. (2 marks) (b) Which beaker contains hot water? Explain your answer. (2 marks) E (c) Suggest a way that can be made to the water in beaker Y to increase the number of water droplets formed on the inner wall of beaker Y. Explain your answer. (2 marks) -END- Aristo Science for the New Century © Aristo Educational Press Ltd. 2019 -4-