The nature of matter

Question 1

What is matter?

Answer 1

Anything that has mass and volume

Question 2

What are examples of matter?

Answer 2

air , desk,orange juice

Question 3

What are the three common states of matter?

Answer 3

solid-ice cube liquid-water gas-water vapor

Question 4

What are physical properties?

Answer 4

Properties that can be oberserved without changing the identity of the substance.

Question 5

What is a substance?

Answer 5

Anything that contains only one kind kind of material

Question 6

What are examples of a substance?

Answer 6

suger,water,carbon

Question 7

What are examples of physical properties

Answer 7

density,color,hardness,odor,magnetism,bioling pot

Question 8

What is element?

Answer 8

A subtance that cannot be broken down further into substances.

Question 9

What are 8 examples of an element?

Answer 9

carbon,oxygen,hydrogen,zinc,gold,copper,lead,uranium.

Question 10

What is an compound?

Answer 10

A substance whose unit is made up of more than one element CHEMICALLY COMBINED

Question 11

What are examples of compounds?

Answer 11

suger,water,iron,sulfide

Question 12

What is a mixture?

Answer 12

Any material made up of two or more substances PHYSICALLY COMBINED

Question 13

What are examples of mixture?

Answer 13

kool-aid, chocolate milk,cake batter

Question 14

What is a heterogeneous mixture?

Answer 14

a mixture in which the substances are distributed unevenly

Question 15

What are examples heterogeneous mixture?

Answer 15

chocolate chip cookies, oil/water, pizza

Question 16

What is a homogeneous mixtures?

Answer 16

A mixture in which the substances are distributed evenly.

Question 17

What are examples of homogeneous mixtures?

Answer 17

milk,coffee, kool-aid, salt water, lemonade, tea

Question 18

How do you separate mixtures?

Answer 18

By hand, filter, evaporation, magnets, sifting,buoyancy

Question 19

What is a solid?

Answer 19

is neither liqid nor gas a maintains its own shape. Particles are moving very slowly

Question 20

What is a liquid?

Answer 20

Matter that can take on a different shape. Particles are moving around,but not out of control.

Question 21

What is a gas?

Answer 21

a vapor that is fluid in from and can expand indefinitely. Particles are moving fast and out of control.

Question 22

What is an atom?

Answer 22

smallest part of matter

Question 23

What is the periodic table?

Answer 23

A chart that shows the elements in order of increasing atomic numbers.

Question 24

What is a solution?

Answer 24

a mixture of one substance disolved in another

Question 25

What is density

Answer 25

two measurement of how much mass fits within a certain volume. ( how much stuff is in an object).

Question 26

What is a chemical change?

Answer 26

a change in matter that results in a new substance with new properties.

Question 27

What is Physical change?

Answer 27

a change in size, shape color or state of matter with NO with no kind of matter being formed.

Question 28

What is a indicator?

Answer 28

Substance that is one color in acid and another color base. it is used to identify the pH of a substance. (acid returns red and base turns blue/green.

Question 29

What is the pH scale

Answer 29

measures the strengh of acids and bases (scale from 0 to 14)

Question 30

What is acid?

Answer 30

A substance that produces positive hydrgen ions in water and has a LOW pH (falls between 0 to 7 the pH scale).

Question 31

What is base?

Answer 31

A substances that produces negative hydroxide ions in water and as a HIGH pH (from 7 to 14 on the pH scale).

Question 32

What is neutral?

Answer 32

Substance that is neither on acid or base (exactly 7 on the pH scale).

Question 33

What is condensation?

Answer 33

When gas into a liquid.

Question 34

What is evaporation?

Answer 34

a slow changing of a liquid to a gas

Question 35

What is sublimation?

Answer 35

When a solid changes into a gas

Question 36

What is deposition?

Answer 36

When a gas changes into a solid (deposition)

Question 37

What is vaporizaton?

Answer 37

When a liquid changes into a gas and heat is applied to it.

Question 38

What is burning?

Answer 38

A chemical reaction between a fuel and oxyen that results in energy, usually in the form of light and near.

Question 39

What is rusting?

Answer 39

the breaking down of some metals in the presence of air and miosture.

Question 40

What is dissolving?

Answer 40

when a substance is mixed with another substance to form a solution.

Question 41

What is conversation of matter?

Answer 41

matter is not created or destroyed, it only changes form.

Question 42

What is phase change?

Answer 42

a change from one state of matter to another.

Question 43

What is Dmitri Mendeleev?

Answer 43

Russian scientist who created the periodic table of elements