Year 7 Laboratory Test – Revision 2012 Name: ________________________________ 1. Complete the table: Branch of Science Biology Geology What? is the study of is the study of is the study of is the study of is the study of Forces and energy Space and solar system Matter and their chemical reactions 2. Write down 5 safety Lab Rules and explain why. Rules Why? 1. 2. 3. 4 5. 3. a) How would people draw scientific equipment? b) Draw diagrams of the following equipment. Test tube Conical flask Funnel Evaporating dish Tripod Measuring cylinder 4. Identify all the equipment B A E A A D A C C C C A F A G A K A I A J A K A S A L A M A H A U T T N A Q A V P A O A W X W Y W R W Bunsen burner clay triangle test tube test tube holder test tube holder Test tube rack heat mat wire gauze bottle brush Measuring cylinder glass rod funnel beaker conical flask Dropper spatula boss head clamp retort stand crucible Watch glass Evaporating dish safety goggle tongs stoppers thermometer 5. a) Label the diagram of a Bunsen burner. Rubber tube, barrel, collar , base, airhole b) Draw the blue flame of the Bunsen burner. Label: unburnt zone, hottest point, blue flame, c) Does the airhole close or open in the above diagram? c) Draw another diagram of the part of the barrel and the flame when the flame is not in use. Explain why? d) Write down the five main steps how to light up a Bunsen burner properly; (1) __________________________________________________________ ( rubber tube) (2) __________________________________________________________ (airhole) (3) __________________________________________________________ (match or gas) (4) __________________________________________________________ (match or gas) (5) __________________________________________________________ (airhole) c) Complete the sequence of writing up a scientific report No Subheading What it means 1 Name, Title Who did the Experiment, when, partners etc 2 Aims 3 Apparatus and Materials 4 5 A logical prediction of what may happen Method 6 7 8 Observations and Recording data Discussion A summary of the findings in this experiment 7. State the type of measurement and the appropriate unit. What to measure? Measurement: Volume, Mass, Length or Speed Mass (=how heavy) Unit: Mg, Km/h, mL, mm, mg, Kg The amount of milk required to make a small cake How long is the distance between Irymple and Redcliff? What is the speed of the Jet? The thickness of the timber A very small amount of medicine in a capsule The weight of a big bag of potatoes 8. Name the 2 types of scales used in the laboratory. Give 2 advantages of the one on the right. 9. Reading the water level in measuring cylinders a) Read 1, 2 and 3 b) Refer to Fig. 1.1, which is the correct position of your eye when you are reading the water level – Circle the eye. c) What is the name given the curved surface of the water level? Multiple Choice Questions – Choose the BEST answer 1 Which one of the following is a 7 Which is NOT true about a Bunsen person that studies rocks? burner? A Biologist A The air hole must be closed when B Chemist lighting a Bunsen burner. C Geologist B When not in use, the yellow D Astronomer safety flame of a Bunsen burner should be visible. 2 Which piece of laboratory equipment C The blue flame of Bunsen burner would be best for measuring out 6.5 is cooler than the yellow flame. mL of liquid? D A Bunsen burner must always be A A measuring cylinder placed on a heatproof mat. B A beaker C A test tube 8 The thermometer scale below shows D A conical flask a reading of: 3 4 5 6 Which rule below would you NOT follow when using a Bunsen burner? A Long hair must be tied back. B Wear protective clothing and safety glasses. C Place the Bunsen burner directly onto the unprotected bench. D Keep the gas tap closed when attaching the rubber hose from the Bunsen burner. When heating a test tube, it should be: A pointed away from yourself and other students B held with two fingers C filled completely with the liquid being heated D heated over a tripod and gauze mat. A measuring cylinder is a piece of equipment for: A stirring mixtures B heating substances C measuring volumes of liquids D mixing and heating substances. The curve surface of the water inside a measuring cylinder is known as A curvature B meniscus C open water D surface tension A 57°C B 53°C C 63°C D 67°C 9 Which of the following is NOT a rule in the laboratory? A Follow the teacher’s instructions. B Look directly into a test tube. C Wear protective clothing. D Wait until equipment is cool before putting it away. 10 Which piece of equipment can be used to mix substances whilst swirling it around? A Beaker B Test tube C Stirring rod D Conical flask 11 Into which section of a laboratory report should observations, tables and graphs go? A Discussion B Results C Conclusion D Aims