AWA
Why is water essential to life?
- Controls body temperature.
- Removes waste products from body.
- Helps to transport minerals and nutrients in body.
The particles in this state are tightly packed together.
Solid
What process occurs when water turns into steam?
Evaporation or boiling
What role does the sun play in the water cycle?
The sun provides the energy/heat needed for evaporation.
What is the average percentage of water in an adult human body? (hint- between 50%-70%)
60%
Particles in this state are held together by weaker forces.
Liquid
What process occurs when liquid water turns into ice?
Freezing or solidifying
What process forms clouds in the sky?
Condensation
What is the chemical formula of water?
H2O
What state is water in when we drink it?
Liquid
Define sublimation?
Process where solid changes to a gas.
What is the name for rain,hail or snow which begins with P?
Precipitation
Give the number and name of each type of atom in a water molecule?
2 hydrogen atoms and 1 oxygen atom.
When particles are heated what happens to the space between the particles?
Increases
Give an example of condensation process?
-water droplets seen on windows early in the morning during winter.
State 2 ways in which water collects on ground?
-Ocean
Which state of matter is water naturally found in?
All 3 states-solid (ice), liquid (water), and gas (steam/vapor).
The particles in this state are spaced far apart and move about very quickly.
Gas
Ana put butter into the hot pan to make pancakes.
Which change is state took place?
Melting
What helps clouds to move to new places?
Wind