Characteristics
Attraction
Density
Convection
100
Ice is less __________________ than water.
Dense
100
Water has this property because part of the molecule is positive while part is negative.
What is polarity
100
Water is (more/less) dense when cold.
more
100
The shape of a convection current
What is a circle
200
When water freezes, its volume ____________
expands/increases
200
The property of water that causes the top of the water to be like a film over the water
What is surface tension?
200
This is the mathetmatical formula for density
what is mass/volume?
200
The driving force behind a convection current is...
Heat
300
Some adult insects are able to walk on top of water because of this property
What is surface tension
300
_____________ is the positive element, while ____________ is the negative element
H and O
300
If a sample of water takes up 30 mL and weighs 30 g, what is the density? (with correct units)
1 g/mL
300
A hot current _____________, while a cold current _________________.
Rises, falls
400
Hot water dissolves (more/less) stuff than cold water.
more
400
The type of attraction between two molecules (or any two like molecules)
What is cohesion
400
You can determine the relative density of an object based on what ____________ on what.
floats
400
Convection can only occur in this type of substance.
What is a fluid.
500
What temperature does water freeze at and boil at? (In celsius)
0 C and 100 C
500
The type of bond that forms BETWEEN 2 water molecules
What is H-bonding
500
List these in order of density water sand air oil gold helium
He Air oil water sand gold
500
Convection is the driving force behind ocean _______________.
currents.
M
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