What equipment is shown?
funnel
What equipment is shown?
sieve
What equipment is shown?
magnet
How to separate pins from buttons?
by magnet
by hand
How to separate sand from water?
hand-picking
filtering
sieving
How to separate sand from stones?
sieving
by magnet
filtering
Which state of matter is shown?
liquid
Which state of matter is shown?
solid
Which state of matter is inside the tank?
gas
This refers to materials that dissolves in water.
insoluble
soluble
This refers to materials that do not dissolve in water.
insoluble
soluble
Which is an example of a metal?
diamond
gold
glass
What is the black liquid that is used to make plastic?
oil
ink
These are rocks with metals in them.
ores
gemstones
This a way of making something new out of of trash.
rewriting
recycling
This is making metals from ore using heat.
smelting
smothering
