1.An attraction between molecules can be called a _______.

Select one:

Apolar bond

Bcovalent bond

Cionic bond

Dhydrogen bond

2.The reason water sticks to the inside of a graduated cylinder like the image below is because of _____.

Select one:

Aadhesion

Bcohesion

Cpolar molecules

Dhydrogen bonding

3.Water molecules are composed of ___.

Select one:

A2 oxygen atoms and 1 hydrogen atom

B2 oxygen atoms and 2 hydrogen atoms

C1 oxygen atom and 1 hydrogen atom

D1 oxygen atom and 2 hydrogen atoms

4.Plants are able to absorb water from the ground through their roots because ____.

Select one:

Athe atoms in water are ionically bonded together

Bwater is considered the universal solvent

Ccapillary action causes the water to rise up in tubes

Dwater has a high level of surface tension

5.Why are water molecules attracted to each other?

Select one:

AWhen the temperature changes, water molecules move toward each other.

BPolar molecules have partially charged positive and negative ends.

CThe sharing of electrons keeps them stuck together.

DSome molecules are positively charged and others are negatively charged, so opposites attract.

6.Water is _______.

Select one:

Aan atom

Ba compound

Can element

Da mixture

7.Water molecules stick to themselves. This is known as ____.

Select one:

Aadhesion

Bcapillary action

Ccohesion

Dpolar molecules

8.How does the high heat capacity of water help life exist on Earth?

Select one:

AIt makes us sweat more.

BIt makes ice float in water.

CIt allows water molecules to stick together.

DIt keeps the air temperature relatively stable.

9.Insects such as water striders can walk on water because:

Select one:

Aof aerodynamics

Bof surface tension

Cof density

Dof temperature

10.______________ can be disrupted by the addition of soap into water.

Select one:

ADensity

BTemperature

CSurface tension

DDensity and temperature

11.Due to the fact that ice is less dense than water in its liquid form_____________.

Select one:

Asnow falls to the ground

Bice storms are very dangerous

Caquatic life can survive in a pond that has frozen over at the surface

Dcars will hydroplane if one drives too fast on a wet roadway