Proporties Of Matter

Question 1

What are the different states of Matter?

Answer 1

Gas, Liquid and Solid

Question 2

What is it called when a solid is turned into a gas?

Answer 2

Sublimation

Question 3

What is it called when a gas is turned into a solid?

Answer 3

Deposition

Question 4

What is it called when a solid is turned into a liquid?

Answer 4

Melting

Question 5

What is it called when a liquid is turned into a solid?

Answer 5

Solidification

Question 6

What is it called when a liquid is turned into a gas?

Answer 6

Evaporation

Question 7

What is it called when a gas is turned into a liquid?

Answer 7

Condensation

Question 8

What is a melting point?

Answer 8

The melting point of a substance is the temperature that it turns from a solid to a liquid.

Question 9

What is a boiling point?

Answer 9

The temperature when a liquid turns to a gas.

Question 10

What is hardness?

Answer 10

A substances ability to resist being scratched

Question 11

What is malleability?

Answer 11

The substances ability to be turned into sheets

Question 12

What is Ductility?

Answer 12

The substances ability to be turned into a wire.

Question 13

What is crystal shape?

Answer 13

When a substance is shaped like a crystal.

Question 14

What is solubility?

Answer 14

The substances ability to be dissolved into water.

Question 15

What is density?

Answer 15

The amount of mass in a given volume of a substance.

Question 16

What is conductivity?

Answer 16

The substances ability to conduct energy or heat.

Question 17

What is physical change?

Answer 17

When the substances appearance or state may be altered, but it’s composition stays the same.

Question 18

What are some quantitative physical properties?

Answer 18

Thing we can actually measure with numerical value. Examples; melting point, boiling point, hardness, density, conductivity and viscosity.

Question 19

What are some qualitative physical properties?

Answer 19

Things we can’t measure but that we can observe. Examples; malleability, ductility, crystal shape, color, texture, taste, smell, state, lusture

Question 20

What is chemical change?

Answer 20

Always results in the formation of a different substance or substances.

Question 21

What is a pure substance?

Answer 21

Made of only one kind of matter and has a unique set of properties that make it different.

Question 22

What is an element?

Answer 22

It is a material that cannot be broken down into any simpler substance.

Question 23

What is a compound?

Answer 23

When two or more elements combine chemically.

Question 24

What is a mixture?

Answer 24

A mixture is a combination of pure substances but they do not mix chemically.

Question 25

What is a mechanical mixture?

Answer 25

The different substances that make it are visible.

Ex: salsa

Question 26

What is a solution?

Answer 26

The different substances that make it are not separately visible.
Ex: sugar in coffee

Question 27

What is a suspension?

Answer 27

A cloudy mixture in which tiny parts are held within another. The particles are easily separated.

Question 28

What is a colloid?

Answer 28

Cloudy with tiny parts as well, but the particles are so small, they cannot be easily separated from the other substance.