1) What use does a funnel have in the science classroom? a) Measures liquid volume b) protects the eye c) Aids in pouring liquids or solids into a small opening without spilling them d) Cuts specimens during dissection 2) Which statement best represents an observation: a) The students saw the pen hanging upside down in the magic bottle. b) The color red is better than green. c) Ms. Nguyen was working on a lab with her students. d) The principal gave an announcement. 3) Beakers a) Used for mixing, holding, and heating b) Used to transport small amounts of liquids c) Used for holding and growing cultures d) Used to measure liquid volume exactly 4) Which is the hottest type of flame a) blue b) yellow c) safety d) "dirty" flame 5) This graph is a) Increasing b) Constant c) Equal d) Decreasing 6) A conclusion is .... a) The summary that includes the answer you reach at the end of an experiment and tells whether your hypothesis was proven or disproven. b) A question that you would want to find an answer to. c) An educated guess based on your knowledge and observations. d) The data gathered during an experiment 7) What is the purpose of safety goggles? a) o protect your eyes from harmful chemicals or particles b) to look really cool while you work c) to go swimming after you have completed your work d) to help you see better 8) Which step is the LAST one you should do to light the bunsen a) light the bunsen b) turn om the gas c) plug in the gas hose d) close the air hole 9) What is the independent variable? a) a variable that is purposely changed to observe the effects on the dependent variable b) independent variable- type of milk c) independent variable- types of chemicals 10) Which student takes the most time to get to school? a) Finn b) Peter c) Andre d) Tomas 11) A hypothesis is... a) An educated guess based on your knowledge and observations b) A question that you would want to find an answer to c) The data gathered during an experiment d) The answer you reach at the end of an experiment. 12) Name the independent variable....Will I run faster on concrete or turf? a) running surface b) speed c) type of shoe d) clothing 13) In an experiment, the factor that we measure is called the a) dependent variable b) controlled variable c) independent variable d) conclusion

Revision Nature of science -II

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