1) How many liquids did Chace test to find out which is best for removing oil? a) 10 b) 7 c) 19 d) 17 e) 3 f) 8 2) In Joan's application can the HK sewage system, completely filter out microplastics? a) Yes b) No 3) Which candle is the best at resisting heat ? a) Coconut wax b) Beeswax c) Soybean wax 4) Does carbon dioxide protect or damage the ozone layer? a) Protect b) Damage 5) From Abby's research, she found that eco-enzyme was originally developed in ... a) Indonesia b) Sichuan c) Hong Kong d) Philippines e) Thailand f) Samoa 6) Modes of heat transfer include (choose 3)? a) Connection b) Convection c) Conduction d) Radiotherapy e) Radiation 7) Which material is the most effective at filtering water for human consumption? a) Charcoal b) Sand c) Stones d) Fiber filter e) Activated charcoal 8) Which milk produces the largest amount of bioplastic? a) b) c) d) 9) Spherification is a reaction of which 2 chemicals? a) Potassium chloride b) Calcium chloride c) Sodium hydroxide d) Sodium alginate 10) If a gummy bear is put in vinegar, what happens to it? a) Grows b) Nothing c) Dissolves 11) Wearing high heel shoes can affect (choose 3)? a) Ears b) Arms c) Feet d) Spine e) Posture 12) Low-density means ... (choose the correct definition) a) materials containing molecules with more mass and atoms that are tightly packed b) materials containing molecules with less mass and atoms that are loosely packed

Year 5 Science Fair Trivia

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