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Worksheets

Water Test

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

The type of bond that exists between the oxygen and hydrogen within a water molecule

a)

hydrogen bond

b)

covalent bond

c)

ionic bond

d)

nonpolar bond

2.

Due to unequal sharing of electrons, water is a ____________ molecule.

a)

polar

b)

nonpolar

c)

ionic

d)

hydrogen

3.

Water has a ___________ charge near the oxygen atom.

a)

negative

b)

positive

c)

partial positive

d)

partial negative

4.

Water has a ______________ charge near the hydrogen atom.

a)

positive

b)

negative

c)

partial positive

d)

partial negative

5.

A relatively weak bond between the partial negative side of one molecule and the partial positive side of another molecule

a)

covalent bond

b)

ionic gond

c)

hydrogen bond

6.

One water molecule is attracted to another water molecule

a)

adhesion

b)

cohesion

c)

capillary action

d)

high heat capacity

7.

Water molecule is attracted to something other than water

a)

adhesion

b)

cohesion

c)

capillary action

d)

high heat capacity

8.

The property of cohesion is due to water's ability to form

a)

covalent bonds

b)

hydrogen bonds

c)

nonpolar bonds

d)

ionic bonds

9.

allows insects such as water striders to be able to walk across the surface of water

a)

adhesion

b)

surface tension

c)

capillary action

d)

transpiration

10.

the ability of water to flow in narrow spaces without the assistance of and in opposition to gravitational forces

a)

cohesion

b)

adhesion

c)

capillary action

d)

high heat capacity

11.

Adhesion is due to ___________ bonding

a)

covalent

b)

ionic

c)

hydrogen

12.

The amount of energy needed to raise 1 gram of water 1 degree celsius

a)

cohesion

b)

boiling temperature

c)

specific heat

d)

adhesion

13.

Water has a high specific heat and boiling point because the energy of heat is absorbed in an attempt to break ________________ bonds.

a)

covalent

b)

nonpolar

c)

hydrogen

d)

ionic

14.

The ability of water to absorb a tremendous amount of heat energy without increasing in temperature is important for life because

a)

it keeps the Earth cool enough to sustain life

b)

it regulates human body temperature

c)

both options

15.

Water has a higher density as a liquid than as a solid; therefore ice floats. This is because

a)

when water freezes the hydrogen bonds are no longer breaking and reforming and are frozen at the greatest distance away from each other

b)

when water freezes hydrogen bonds have the greatest amount of energy and are constantly moving

c)

when water freezes hydrogen bonds are frozen in a lattice at the closest distance possible to each other

16.

Because water is ________________, it is the greatest solvent on Earth

a)

nonpolar

b)

polar

c)

hydrophobic

d)

slightly positive

17.

oils, fats, waxes

a)

examples of polar molecules

b)

examples of nonpolar molecules

c)

examples of salts

d)

examples of hydrophilic substances

18.

A neutral pH is one of the value

a)

below 7

b)

above 7

c)

7

19.

In water, the electrons are not shared equally creating a _________ molecule

a)

large

b)

weak

c)

polar

d)

nonpolar

20.

Water is called the _______________ solvent.

a)

weakest

b)

universal

c)

solute

d)

adhesive