particles

Question 1

what do solids look like?

Answer 1

all next to eachother in an ‘order’

Question 2

what do liquids look like?

Answer 2

arranged in a random way and some touching

Question 3

what does gas look like?

Answer 3

widley spaced

Question 4

whats water made up of?

Answer 4

hydrogen+oxygen

Question 5

2things ab water

Answer 5

water has many special properties
water is vital to everything

Question 6

whats made out of particles?

Answer 6

everything

Question 7

what can a particle model show?

Answer 7

the state change of solids,liquids and gases

Question 8

melting?

Answer 8

when a substance is heated absorbs energy and turns into a liquid

Question 9

boiling?

Answer 9

is liquid is heated it absorbs more energy and boils turning it into gas

Question 10

evaporating?

Answer 10

when a liquid turns into gas slowly at temps below its boiling point

Question 11

condensing?

Answer 11

if gas is cooled it transfers energy to the surroundings and turns into a liquid

Question 12

freezing?

Answer 12

liquid is cooled and it transfers energy to its surroundings and turns into a solid

Question 13

endo?

Answer 13

going in

Question 14

exo?

Answer 14

going out

Question 15

solid-liquid

Answer 15

melting

Question 16

liquid-solid

Answer 16

freezing

Question 17

liquid-gas

Answer 17

evaporating/boiling

Question 18

gas-liquid

Answer 18

condensation

Question 19

solid-gas

Answer 19

subliamation

Question 20

pressure=

Answer 20

force divide area

Question 21

whats pressure measured in?

Answer 21

pascals (Pa)

Question 22

whats force measured in?

Answer 22

N

Question 23

whats area measured in?

Answer 23

m^2

Question 24

whats 2 things does radiation travel in?

Answer 24

space,vaccum

Question 25

whats the best absorbers of heat radiation?

Answer 25

matt black

Question 26

whats the worse emitters?

Answer 26

shiny silver