Someone left the refrigerator door open! Will the temperature of the room decrease as a result? List as many reasons as you can think of for both the yes and no answers.

Heating substances in the sun: The following table shows the temperature after 10.0 grams of four different substances have been in direct sunlight for up to 60 minutes. Time (minutes) O (initial) 15.0 min 30.0 min 45.0 min 60.0 min Temperature (°C) 70 60 50 40 PART I: Experiment 1. Create a line graph for each substance on graph below. (You can use Excel or similar program) Label the substances. Temperature vs Heating Time 30 20 0 Air (°C) 25°C 28.9°C 32.5°C 36.2°C 40°C 10 Water (°C) 25°C 26.2°C 27.5°C 28.8°C 30°C 20 Time (minutes) 30 40 Sand (C) 25°C 30°C 50 35°C 40°C 45°C 60 Metal (°C) 25°C 35°C 45°C 55°C 65°C

Several containers filled with the same kind of ideal gas with the following masses and temperatures. Which box has the gas with the largest thermal energy? Box A 60 g -30°C O Box A Box D Box C O Box B Box B 50 g 0°C Box C 45 g 60°℃ Box D 35 g 100°C

We turn on a heater that delivers 150 watts (150 J/s) to  1.9 kg of water in a lab experiment.  After 33 seconds, how much will the water temperature have increased?  Give your answer in degrees Celsius.     Hint: The specific heat of water is 4186 J/kg °C.

Instructions: Back up your claims with scientific laws, postulates or theories. Answer in 2-5 sentences only EXPLAIN WHY THIS STATEMENT IS FALSE: The collisions between air molecules use up energy and eventually make a room cooler.