Lesson 1.1: Kinetic Molecular Model of Solids and Liquids

Question 1

It explains the properties of solids and liquids in terms of the intermolecular forces of attraction and the kinetic energy of the individual particles.

Answer 1

kinetic molecular model

Question 2

They are attractive forces between neighboring particles of one or more substances.

Answer 2

Intermolecular forces

Question 3

They pull the particles together.

Answer 3

Intermolecular forces

Question 4

It keeps the particles at a distance and/or moving around.

Answer 4

kinetic energy

Question 5

It is dependent on the temperature of the substance.

Answer 5

kinetic energy

Question 6

It explains the behavior of particles in matter.

Answer 6

kinetic molecular model

Question 7

It describes how the motion of particles — atoms/molecules relate to the physical properties of solids, liquids, gases.

Answer 7

kinetic molecular model

Question 8

It is where kinetic energy is dependent on the substance.

Answer 8

temperature

Question 9

A state of matter wherein that have definite volume but no definite shape.

Answer 9

liquids

Question 10

A state of matter wherein it takes the shape of the container.

Answer 10

liquids

Question 11

A state of matter that are denser than gases.

Answer 11

liquids

Question 12

Liquids’ particles are held together by ________________________, but not strong enough to keep them in a rigid position.

Answer 12

strong intermolecular forces

Question 13

A state of matter wherein its particles are free to slide over one another.

Answer 13

liquid

Question 14

A state of matter that have definite volume and shape.

Answer 14

solids

Question 15

A state of matter that are denser than liquids and are not easily compressed because their particles are tightly packed.

Answer 15

solids

Question 16

A state of matter wherein the intermolecular forces between their particles are stronger than those in liquids, enough to keep them rigid.

Answer 16

solids

Question 17

A state of matter wherein they assume a crystalline structure when they have a highly ordered packing arrangement.

Answer 17

soilds

Question 18

If not in a crystalline structure because of a highly ordered packing arrangement, they exist as ______________.

Answer 18

amorphous solids

Question 19

Example of amorphous solids

Answer 19

rubber and wax

Question 20

A state of matter wherein one of its properties is that they do not flow.

Answer 20

solids

Question 21

A state of matter wherein one of its properties is that they are virtually incompressible.

Answer 21

solids

Question 22

A state of matter wherein one of its properties is that they expand when heated, but to a lesser extent than liquids and gases.

Answer 22

solids

Question 23

A state of matter wherein one of its properties is that they are difficult to compress.

Answer 23

liquids

Question 24

A state of matter wherein one of its properties is that they slightly expand when heated.

Answer 24

liquids

Question 25

A state of matter wherein one of its particles is that they are strongly attracted to each other.

Answer 25

solids

Question 26

A state of matter wherein one of its particles is that they vibrate in fixed positions.

Answer 26

solids

Question 27

A state of matter wherein one of its particles is that they vibrate faster when heated.

Answer 27

solids

Question 28

A state of matter wherein one of its particles is that they are weakly attracted to each other; break their interaction easily.

Answer 28

liquids

Question 29

A state of matter wherein one of its particles is that they move more freely than those in solids.

Answer 29

liquids

Question 30

A state of matter wherein one of its particles is that they move faster when heated.

Answer 30

liquids

Question 31

They are the 3 characteristics of liquids.

Answer 31

- Fluidity - Viscosity - Surface Tension

Question 32

A type of liquid that has an ability of a substance to flow more freely.

Answer 32

fluidity

Question 33

Give examples of fluidity

Answer 33

- water flowing down a river (fluidity) - Honey has low fluidity compared to water because it flows more slowly.

Question 34

A characteristic of liquid that has a measure of a fluid's resistance to flow

Answer 34

viscosity

Question 35

A type of viscosity wherein a fluid flows more slowly.

Answer 35

higher viscosity

Question 36

A type of viscosity wherein a fluid flows more easily.

Answer 36

lower viscosity

Question 37

A characteristic of liquid that has a tendency of the surface of a liquid to contract and minimize its surface area due to cohesive forces between molecules.

Answer 37

surface tension

Question 38

Give an example of surface tension.

Answer 38

insect strides