Chapter 2 Flashcards
What is the process of gas or steam to liquid called?
Condensation
What is precipitation?
When water has condensed and the water droplets in the clouds become too heavy then fall back to Earth as rain.
What is the water cycle
Water moves between rivers, lakes and oceans and being recycled over and over again in a continuous system called the water cycle.
Snowing is an example of?
precipitation
give an example of surface run-off
Water that reaches the surface of land may flow directly across the ground into rivers,lakes and oceans.
The water from precipitation will soak into the soil and rocks and become what?
groundwater
What does Di mean in terms of atom
two
What does mono mean in terms of atoms
one
What is the meaning of pure in terms on Science?
Something that only contains a single substance
Is a mixture pure?
no
What are natural emissions?
When animals and plants produce carbon dioxide when they respire.