Heat and Matter
What is the term for the temperature at which a substance changes from the solid to liquid state?
Melting POINT
The Particle Theory states that all matter is...
made up of tiny particles.
What type of energy is transferred from matter at a higher temperature to matter at a lower temperature?
heat energy
Which First Nations group used walrus and sealskins for waterproof clothing?
Inuit
Name the type of substance that does not allow heat energy to move through it easily.
insulation
Temperature is the measure of the _______ _______ _______ of the particles in a substance.
average kinetic energy
When energy is removed from a substance, the particles will ________ ________ and ________ ________.
move slower AND closer together
The ability for matter to hold heat is called...
heat capacity
Which part of your brain regulates your temperature?
hypothalamus
Which process pipes hot water throughout a home into radiators that then heat the air in the rooms?
hot-water heating
At what temperature does oxygen condense?
-183oC
Particles of matter are always ________ and ________.
moving and vibrating
Order the following substances from lowest heat capacity to highest.
aluminum, ammonia, water
aluminum - water - ammonia
Which First Nations group heated shelters with stone lamps that burned animal fat and oil?
Inuit
Give an example of a local heating system.
space heater or others that only heat one area
Which metal element is in the liquid state of matter at room temperature?
mercury
The process of a direct change from a solid to a gas is called...
sublimation
Name and describe the different methods of heat transfer.
conduction - objects in contact
convection - cycle of fluids where the heat rises, and the cold sinks
radiation - heat transfers through radiant energy waves
Birchbark, moose hides, and caribou hides are materials that were used for what type of shelter AND which group?
wigwams, Métis
The technology that produces energy from two sources, including its own waste energy, is called...
cogeneration
What is the melting point of sulphur?
113oC
What instrument is capable of seeing particles of matter?
electron microscope
Give the temperatures of each of the following:
-average human body temperature
-melting point of iron
-absolute zero
-highest air temperature ever on Earth
37oC
1536oC
-273oC
71oC
What two things did Plains Cree burn at tipi entrances for heat?
buffalo dung and wood
What problems does thermal pollution cause?
-raises water temperatures which affects fish and other members of aquatic ecosystems