viedniei
5) Uzupełnij zdania słowami z ramki.
bacteria cells liquid solid steam vaccine
1 When water is heated to 100 degrees, it turns into
steam
2 A substance used to protect people and animals
from disease is a _________
Living organisms are built of
In the past, people didn't know that diseases are
caused by.
When a liquid freezes, it becomes
3
4
5
6
is a substance that is not a solid or
a gas, for example water or milk.
Przeczytaj definicie i odgadnii słowa. Pierwsze