States of Matter
Which state of matter are you breathing in right now to stay alive?
Gas
Thermal energy always moves from "_____ ___ ___, to ______ ____ ____."
Where it's hot, to where it's not.
What is a heating fuel type that you can harvest yourself?
Wood
Which material in our Hot Cup experiment is a conductor (lets heat transfer quickly through?
Aluminum foil
Heat loss from air escaping under doors can be fixed best with a _____ _______.
Door sweep.
What are the names of H20 in the three states of matter?
Which type of heat transfer happens when two objects are touching each other directly?
Conduction
What is the most cost-effective fuel type in Anchorage used by 75% of the population?
Natural Gas
Lid
When you look at a house or the school with an infrared camera, what part shows heat loss?
What happens to the speed of atoms or molecules when you add thermal energy to a substance?
They speed up
How does heat from the Sun reach the Earth through the emptiness of space?
Radiation
Where does the most common fuel type in Anchorage currently come from?
Cook Inlet
Styrofoam and ceramics were the Best cup so those materials must be _________________.
Insulators
What is the unit of measurement for home insulation?
R-value
If you wanted to completely stop the motion of particles, what temperature would it need to be?
Absolute zero.
Why are the handles of many frying pans made of wood or plastic instead of metal?
They are good insulators
Name three types of home heating systems.
Fireplace/pellet stove, water heater, electric heater, heat pump, space heater.
Why does the air inside a double walled cup slow thermal energy transfer?
The particles are spread out in gases
The process of figuring out what needs to be improved in a buildings envelope is called an "Energy ________" (we did this in our classroom with Mr. Tyler)
Audit
What is the process called when a liquid turns into a gas?
Evaporation
This type of energy transfer takes a lot of energy, which is why home heating and cooling is such a energy hog.
Convection
What is the most efficient home heating system, boasting 200-400% efficiency? (compared to electrical heating at 100%)
Heat pumps
What percent of plastic bottles end up in the landfill in the U.S. every year? (answer accepted within 10%)
80%
What is the name for the loose insulation material made in locally in Wasilla that is best used in attics?
Cellulose or newspaper