9.6.13 Science Heat Flashcards
Matter is made out of tiny ____________
molecules
Three states of matter are: __________, ______________, and _____________
solid
liquid
gas
Three main ways of producing heat are: _____________, __________________,_____________
rubbing
mixing chemicals
burning
when heat is added to water, the temperature goes ___________
up (temperature rises)
The ______________ is the main source of heat.
sun
The heat from the sun travels through _____________ or ______________ called radiation.
waves or rays
The heat from the sun travels through waves or rays called _____________
radiation
Example of radiation
microwave
____________ ______________ use heat from the sun to produce heat and electricity
solar panels
Heat energy like light is either being ____________ or ______________ depending on the surface of the object
absorbed or reflcted
Black surfaces _______________ more heat.
absorb
Light surfaces ________________ more heat.
reflect
The blacktop on the playground gets ____________ than regular, lighter pavement.
hotter
Light surfaces absorb __________ heat energy than dark surfaces.
less
On a hot day, it would be better to wear ____________ colored clothing so that less heat will be absorbed.
light
An _____________ is an object that does not conduct heat and keeps it from moving through something.
insulator
Examples of Insulators are:
oven mitt
insulation that builders put in the walls of houses
A _____________ is an object that heat can move through easily
conductor
Examples of a conductor are
metal spiral (burner) on a stove saucepan (pot) made out of aluminum or copper
temperature of ice
0 degrees Celcius
To melt ice, or any other solid object, you need __________ energy
thermal
___________ is the movement of _____________ energy from hotter to cooler objects
Heat
thermal
Thermal energy is the form of energy that moves particles of ___________
matter
_____________ ______________ is the form of energy that moves particles of matter
Thermal energy
