Atoms, elements and compounds.
WORKING WITH A VIDEO
Watch the video three times and fill in the
gaps or choosing the correct answer.
a) Atoms are too small to see with the ……………………… eye
b) Can an
element be broken into simple materials? YES/NOT
c) Atoms in
an element are different/the same
d) Each
element has a unique ………………… and a unique ………………..
e) The girl´s
earring is made up of …………, its chemical symbol is G or Au
f) There
are one ………………………… different elements on planet Earth
g) Every molecule has a chemical ……………………… which shows how many ………………… it has.
h) A
compound is formed by different elements chemically
…………………………….. together. An
example is table salt which is made up of …………………………. and ………………………….
i) In a
compound, the process of separating its elements is easy/difficult
j) A
compound has different/equal
properties than its elements.
k) Every
compound has a particular ……………………. and a chemical …………………………….
l) Is the
air a compound or a mixture of gases? ……………………………
PERIODIC TABLE SONG in order (with lyrics). You do not need to learn the periodic table this year, this is only for fun