What chemical reaction is the inflated balloon evidence of?

The classic baking soda and vinegar reaction provides evidence of a chemical change due to the formation of a gas and a temperature change. Students tactually experience the formation of a gas as carbon dioxide fills up the balloon and sense a change of temperature. Related Vocaulary: physical change.

Is blowing into a balloon a chemical change?

Explanation: The combination of an acid and base causes a chemical reaction. The product is a gas, bubbles that are carbon dioxide. The carbon dioxide gas is trapped in the balloon and it inflates.

How do I keep my upstairs warm in the winter?

How to Keep a Second Floor Warmer

Replace any cracked or missing window caulking and door trim; kits are available in hardware stores.
Use door snakes on outside wall doors.
Open stairwell doors if the main floor is warm.
Ensure that any ceiling fan turns in a clockwise rotation.
Install insulated window treatments.

Why do I have heat downstairs but not upstairs?

Sometimes a thermostat control will be placed in a room that is not central to the usual temperature of the house. This might be in a room downstairs that has the door closed. So moving the thermostat control or regulating whether the room is closed off may help. Need to adjust heat vents.

How can I get my upstairs to heat up?

Heat tends to rise, often making it easier to heat the second floor than the ground floor.

Vents and Doors. Closing strategic vents in your home may help force more heat to your second floor.
Seal Ducts. Heat may be escaping through joints in your ductwork.
Heat Loss.
Skylights.
Other Options.

How do you set a thermostat for a two story house?

The general rule of thumb for a two-story home is that you should set each thermostat two degrees Fahrenheit apart from the other. During the summer, when your AC is running, set the upper floor at the temperature you actually want in your home. Then set each floor underneath that to two degrees warmer.