Forms 07C2020-2021 Baseline Test -Heat ,Flow and Temperature (… - Saved Baseline Test -Heat ,Flow and Temperature (07C2020-2021) 32 5.2 Active Responses Average Score Status 1. At night, sea water gets (1 point) 34% of respondents (11 of 32) answered this question correctly. warm than land 11 cool than land 16 both a and b 5 very hot 0 2. Temperature of boiling water cannot be measured by a __ __ thermometer. (1 point) 59% of respondents (19 of 32) answered this question correctly. A) Celcius 13 B) Clinical 19 3. Land breeze blows during (1 point) 63% of respondents (20 of 32) answered this question correctly. A) winter 6 B) summer 2 C) night 20 D) day 4 SB 4. Color and texture that is the best absorbate of radiant heat is (1 point) 50% of respondents (16 of 32) answered this question correctly. black and shiny 6 white and shiny 8 black and dull 16 white and dull 2 5. The transfer of thermal energy without any medium is known as (1 point) 41% of respondents (13 of 32) answered this question correctly. conduction 9 convection 10 radiation 13 vibration 0 6. If a substance is hot, its particles will (1 point) 84% of respondents (26 of 31) answered this question correctly. move fast than the cooler obj… 26 move slow than the cooler obj… 2 move as the cooler object 1 may move fast or slow than th… 2 7. Handles of saucepans and other cooking utensils are (1 point) 50% of respondents (16 of 32) answered this question correctly. thermal conductors 11 thermal insulators 16 electrical conductors 2 metalloids 3 8. Which two liquids are used in the construction of minimum and maximum thermometers? (1 point) 44% of respondents (14 of 32) answered this question correctly. mercury and water 8 water and alcohol 5 mercury and alcohol 14 mercury and bromine 5 9. Why does the bottom of a lake not freeze in severe winter even when the surface is all frozen? (1 point) 28% of respondents (9 of 32) answered this question correctly. The water has large specific h… 2 The conductivity of ice is low 9 The water has large latent hea… 5 The temperature of the earth … 16 10. Stainless steel pans are usually provided with copper bottoms. The reason for this could be that (1 point) 66% of respondents (21 of 32) answered this question correctly. A) copper is a better conducto… 21 B) such pans appear colourful. 0 C) copper is easier to clean th… 4 D) copper bottom makes the … 4 Option 2 3