Why is it that when you fill a thermos bottle with hot water it stays hot, and when you fill it with cold water it stays cold? - Quora
![Amazon.com: Best Stainless Steel Coffee Thermos, BPA Free, New Triple Wall Insulated, Hot Water & Cold Drinks for Hours, Perfect for Biking, Backpack, Camping, Office or Car (17 OZ/500ML) : Home & Amazon.com: Best Stainless Steel Coffee Thermos, BPA Free, New Triple Wall Insulated, Hot Water & Cold Drinks for Hours, Perfect for Biking, Backpack, Camping, Office or Car (17 OZ/500ML) : Home &](https://m.media-amazon.com/images/I/51T4Blusk1L.jpg)
Amazon.com: Best Stainless Steel Coffee Thermos, BPA Free, New Triple Wall Insulated, Hot Water & Cold Drinks for Hours, Perfect for Biking, Backpack, Camping, Office or Car (17 OZ/500ML) : Home &
![Amazon.com: Bobber - 34 oz Vacuum Insulated Stainless Steel Water Bottle with Cup Lid - Keeps Drinks Hot for 48 Hours and Cold for 72 Hours - Double Walled Thermo Flask (Glossy): Home & Kitchen Amazon.com: Bobber - 34 oz Vacuum Insulated Stainless Steel Water Bottle with Cup Lid - Keeps Drinks Hot for 48 Hours and Cold for 72 Hours - Double Walled Thermo Flask (Glossy): Home & Kitchen](https://m.media-amazon.com/images/I/61JpCD1a04L.jpg)
Amazon.com: Bobber - 34 oz Vacuum Insulated Stainless Steel Water Bottle with Cup Lid - Keeps Drinks Hot for 48 Hours and Cold for 72 Hours - Double Walled Thermo Flask (Glossy): Home & Kitchen
![Amazon.com: 68oz Coffee Carafe Airpot Insulated Coffee Thermos Urn Stainless Steel Vacuum Thermal Pot Flask for Coffee, Hot Water, Tea, Hot Beverage - Keep 12 Hours Hot, 24 Hours Cold …: Home & Kitchen Amazon.com: 68oz Coffee Carafe Airpot Insulated Coffee Thermos Urn Stainless Steel Vacuum Thermal Pot Flask for Coffee, Hot Water, Tea, Hot Beverage - Keep 12 Hours Hot, 24 Hours Cold …: Home & Kitchen](https://m.media-amazon.com/images/I/61tCjltgxIL.jpg)
Amazon.com: 68oz Coffee Carafe Airpot Insulated Coffee Thermos Urn Stainless Steel Vacuum Thermal Pot Flask for Coffee, Hot Water, Tea, Hot Beverage - Keep 12 Hours Hot, 24 Hours Cold …: Home & Kitchen
![Amazon.com: XDCHLK Stainless Steel Thermos Portable Vacuum Flask Insulation Pot Hot Water Bottle with Rope Outdoor Tea Cup (Color : D, Size : 800ml) : Home & Kitchen Amazon.com: XDCHLK Stainless Steel Thermos Portable Vacuum Flask Insulation Pot Hot Water Bottle with Rope Outdoor Tea Cup (Color : D, Size : 800ml) : Home & Kitchen](https://m.media-amazon.com/images/I/41DBVRhyX0L.jpg)
Amazon.com: XDCHLK Stainless Steel Thermos Portable Vacuum Flask Insulation Pot Hot Water Bottle with Rope Outdoor Tea Cup (Color : D, Size : 800ml) : Home & Kitchen
![Amazon.com: COOKER Thermos Bottle with mug 25 Oz, Coffee Thermos for Hot Drinks, Double Insulated Bottles, Sports Hot Thermos for Coffee,Water Bottle for Baby, Thermal Bottles, Hot Water Thermos: Home & Kitchen Amazon.com: COOKER Thermos Bottle with mug 25 Oz, Coffee Thermos for Hot Drinks, Double Insulated Bottles, Sports Hot Thermos for Coffee,Water Bottle for Baby, Thermal Bottles, Hot Water Thermos: Home & Kitchen](https://m.media-amazon.com/images/I/610xdekAyTL._AC_UF894,1000_QL80_.jpg)
Amazon.com: COOKER Thermos Bottle with mug 25 Oz, Coffee Thermos for Hot Drinks, Double Insulated Bottles, Sports Hot Thermos for Coffee,Water Bottle for Baby, Thermal Bottles, Hot Water Thermos: Home & Kitchen
![Amazon.com: THERMOS 4035.232.050 Ultralight Thermos Flask, Black, 500 ml, Extremely Lightweight, 210 g, Drinking Bottle, Dishwasher Safe, Thermos Flask Keeps Hot for 10 Hours, Cold for 20 Hours, BPA-Free: Home & Kitchen Amazon.com: THERMOS 4035.232.050 Ultralight Thermos Flask, Black, 500 ml, Extremely Lightweight, 210 g, Drinking Bottle, Dishwasher Safe, Thermos Flask Keeps Hot for 10 Hours, Cold for 20 Hours, BPA-Free: Home & Kitchen](https://m.media-amazon.com/images/I/51z24cGu1AL.jpg)
Amazon.com: THERMOS 4035.232.050 Ultralight Thermos Flask, Black, 500 ml, Extremely Lightweight, 210 g, Drinking Bottle, Dishwasher Safe, Thermos Flask Keeps Hot for 10 Hours, Cold for 20 Hours, BPA-Free: Home & Kitchen
![Thermos Pot Large Capacity 304 Stainless Steel Boiling Water Bottle Vacuum Flask Water Coffee Tea Pot For Home Outdoor 2.5L 3L - AliExpress Thermos Pot Large Capacity 304 Stainless Steel Boiling Water Bottle Vacuum Flask Water Coffee Tea Pot For Home Outdoor 2.5L 3L - AliExpress](https://ae01.alicdn.com/kf/Sefa45371c72847b4b3829e63f134260fG.jpg_640x640Q90.jpg_.webp)
Thermos Pot Large Capacity 304 Stainless Steel Boiling Water Bottle Vacuum Flask Water Coffee Tea Pot For Home Outdoor 2.5L 3L - AliExpress
![MIRA 17 oz Stainless Steel Vacuum Insulated Water Bottle - Double Walled Cola Shape Thermos - 24 Hours Cold, 12 Hours Hot - Reusable Metal Water Bottle - Leak-Proof Sports Flask - Matte Blue - Walmart.com MIRA 17 oz Stainless Steel Vacuum Insulated Water Bottle - Double Walled Cola Shape Thermos - 24 Hours Cold, 12 Hours Hot - Reusable Metal Water Bottle - Leak-Proof Sports Flask - Matte Blue - Walmart.com](https://i5.walmartimages.com/asr/eefe8e68-c226-4386-b6cb-6a5593dea0b3.fd80fb508f0674fc8ba8a8e343bb4d69.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
MIRA 17 oz Stainless Steel Vacuum Insulated Water Bottle - Double Walled Cola Shape Thermos - 24 Hours Cold, 12 Hours Hot - Reusable Metal Water Bottle - Leak-Proof Sports Flask - Matte Blue - Walmart.com
![Amazon.com: Airpot Coffee Dispenser with Pump - Insulated Stainless Steel Coffee Carafe (102 oz) - Thermal Beverage Dispenser - Thermos Urn for Hot/Cold Water, Party Chocolate Drinks: Home & Kitchen Amazon.com: Airpot Coffee Dispenser with Pump - Insulated Stainless Steel Coffee Carafe (102 oz) - Thermal Beverage Dispenser - Thermos Urn for Hot/Cold Water, Party Chocolate Drinks: Home & Kitchen](https://m.media-amazon.com/images/I/61wgPgjXPkL.jpg)
Amazon.com: Airpot Coffee Dispenser with Pump - Insulated Stainless Steel Coffee Carafe (102 oz) - Thermal Beverage Dispenser - Thermos Urn for Hot/Cold Water, Party Chocolate Drinks: Home & Kitchen
![Amazon.com: Stainless Steel Thermos Cup, SUPKIT 12oz Small Thermos Vacuum Cup, BPA Free, Insulated Water Bottle Keep Hot & Cold for Hours, Perfect for Biking, Camping, Office, Car or Outdoor Travel (Taro Amazon.com: Stainless Steel Thermos Cup, SUPKIT 12oz Small Thermos Vacuum Cup, BPA Free, Insulated Water Bottle Keep Hot & Cold for Hours, Perfect for Biking, Camping, Office, Car or Outdoor Travel (Taro](https://m.media-amazon.com/images/I/51nNaTURx-L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Stainless Steel Thermos Cup, SUPKIT 12oz Small Thermos Vacuum Cup, BPA Free, Insulated Water Bottle Keep Hot & Cold for Hours, Perfect for Biking, Camping, Office, Car or Outdoor Travel (Taro
![Custom Hot Water Thermos Flask Suppliers and Manufacturers - Wholesale Best Hot Water Thermos Flask - DILLER Custom Hot Water Thermos Flask Suppliers and Manufacturers - Wholesale Best Hot Water Thermos Flask - DILLER](https://www.dillerbottle.com/Content/upload/2018414934/201811211045004699530.jpg)
Custom Hot Water Thermos Flask Suppliers and Manufacturers - Wholesale Best Hot Water Thermos Flask - DILLER
![Amazon.com: Best Stainless Steel Coffee Thermos, BPA Free, New Triple Wall Insulated, Hot Water & Cold Drinks for Hours, Perfect for Biking, Backpack, Camping, Office or Car (17 OZ/500ML) : Home & Amazon.com: Best Stainless Steel Coffee Thermos, BPA Free, New Triple Wall Insulated, Hot Water & Cold Drinks for Hours, Perfect for Biking, Backpack, Camping, Office or Car (17 OZ/500ML) : Home &](https://m.media-amazon.com/images/I/51T4Blusk1L._AC_UF894,1000_QL80_.jpg)