matter and change

Question 1

matter

Answer 1

anything that has mass and takes up space

Question 2

mass

Answer 2

measure of the amount of matter

Question 3

volume

Answer 3

measure of the space occupied by matter

Question 4

pure substance

Answer 4

element/compound that has the same composition throughout and does not vary from sample to sample

Question 5

2 types of pure subtances?

Answer 5

elements and compounds

Question 6

element

Answer 6

cannot be broken down into simpler substances, made up of only one atom

Question 7

compound

Answer 7

2 or more different atoms that are chemically bonded, can be broken down

Question 8

mixture

Answer 8

varies in composition and properties from sample to sample

Question 9

2 types of mixtures?

Answer 9

homogenous and hetergenous

Question 10

homogenous

Answer 10

mixtures that are uniform in composition. if it is a liquid, it is called a solution

Question 11

heterogenous

Answer 11

different components of the sample have different properties

Question 12

3 examples of matter?

Answer 12

this computer
DNA
air

Question 13

3 examples of non-matter?

Answer 13

light
gravity
sound

Question 14

what are the 4 properties of matter?

Answer 14

physical
extensive
intensive
chemical

Question 15

physical

Answer 15

can be observed or measured without changing the substances identity, ie: temperature, color, shape, texture…

Question 16

chemical

Answer 16

a property that can be observed and measured as the substance’s identity changes

Question 17

physical properties can be further categorized into _ and _.

Answer 17

extensive and intensive

Question 18

extensive

Answer 18

property depends on the amount of matter present
Ex. mass, volume, amnt. of energy

Question 19

intensive

Answer 19

a property that does not depend on amount of matter present
Ex. density, melting point, conductivity

Question 20

density formula

Answer 20

Density = mass/volume