Download Name: Date: Period: ______ Heat Transfer and Water Cycle Review

Name: __________________________________ Date: ___________________ Period: _______
Heat Transfer and Water Cycle Review
Heat Transfer
Heat transfers throughout our environment all of the time. Where-ever you are, you are aware of
things that are warm or cool or are getting warmer or cooler. Dive into a swimming pool or walk
on the sidewalk barefoot in the summer and you know about heat transfer. In our environment,
heat transfer is always from the __________________ object to the _____________________
object.
_______________________ is the transfer of heat between substances that are in direct contact
with each other. The better the conductor, the more rapidly heat will transfer.
When electromagnetic waves travel through space, it is called ________________________.
When the waves come in contact with an object, the waves transfer energy to that object creating
heat. Electromagnetic waves travel through empty space. The _______________________
warms the earth through radiation.
________________________ is the up and down movement of gases and liquids caused by heat
transfer. As a gas or a liquid is heated, it warms, expands, and rises because it is less dense.
When the gas or liquid cools, it becomes denser and falls. As the gas or liquid warms and rises,
or cools and falls, it creates a convection current. Convection is the primary method by which
heat moves through _____________________ and ________________________.
From http://www.wisc-online.com/
The Water Cycle
Run and get a glass of water and put it on the table next to you. Take a good long look at the
water. Now -- can you guess how old it is? When the first fish crawled out of the ocean onto the
land, your glass of water was part of that ocean. When the Brontosaurus walked through lakes
feeding on plants, your glass of water was part of those lakes. When kings and princesses,
knights and squires took a drink from their wells, your glass of water was part of those wells.
The earth has a ____________________ amount of water. That water keeps going around and
around and around and around and (well, you get the idea) in what we call the
"____________________________".
This cycle is made up of a few main parts: evaporation, _________________________,
precipitation.
_________________________ is when the sun heats up water in rivers or lakes or the ocean and
turns it into vapor or steam. The water vapor or steam leaves the river, lake or ocean and goes
into the air. Water vapor in the air gets cold and changes back into liquid, forming
______________________. This is called condensation.
You can see the same sort of thing at home... pour a glass of cold water on a hot day and watch
what happens. Water forms on the _______________________ of the glass. That water didn't
somehow leak through the glass! It actually came from the _________________________.
Water ______________________ in the warm air, turns back into liquid when it touches the
cold glass.
___________________________ occurs when so much water has condensed that the air cannot
hold it anymore. The clouds get heavy and water falls back to the earth in the form of rain, hail,
sleet or snow.
When water falls back to earth as precipitation, it may fall back in the oceans, lakes or rivers or it
may end up on land. When it ends up on land, it will either soak into the earth and become part
of the “___________________ water” that plants and animals use to drink or it may run over the
soil and collect in the oceans, lakes or rivers where the cycle starts over.
From http://www.kidzone.ws/water/
radiation
air
hotter
liquids
evaporation
convection
sun colder
ground
precipitation
conduction gases
water cycle
condensation
clouds
outside
limited
vapor