weather
how do you know that a day is a low pressure day?
clouds form in the sky or rainy day
radiation
what lives in a water ecosystem?
sea life
how does the water cycle start?
by radiation causing the water to evaporate
is burning a piece of cardboard a chemical change or physical change
chemical change
why is a high pressure day cause clear skies?
sinking air prevents clouds from forming
what are the names of the processes of heat transfer?
radiation, conduction, convection
what is a grassland mostly made up of?
grass
what happens when evaporation takes place?
evaporation goes through condensation, being held in a cloud
physical change
how high is cirrus clouds?
above 18,000 feet
what is convection
process by which heat is transferred by movement of a heated fluid such as air or water
what is in a salt marsh
coastal wetlands that are flooded and drained by salt water brought in by the tides
how is collection useful in the water cycle
by putting water back in the ocean or making rivers, ponds, or lakes
what is a physical change?
when you cut a paper, its still paper, noting new happens to it
what do cumulonimbus clouds look like?
big and fluffy
what is radiation
energy that comes from a source and travels through space at the speed of light
what's the biggest ecosystem?
water ecosystem
what is runoff?
another way for collection to happen
what is a chemical change
a chemical change is a change that can not be reversed
how many major cloud types are there?
10 major cloud types
what is conduction
the process by which heat energy is transmitted through collisions between neighboring atoms or molecules
how is a ecosystem formed?
when the living factors in an area interact with each other and with other non-living factors that surround them
what starts the whole water cycle?
radiation from the sun
how are chemical changes and physical changes different?
physical is something that didn't change in anyway shape or form, while chemical mean a whole new substance was created, therefore cant be changed back