E8 U9 nauki przyrodnicze i badania kosmosu

If water freezes, it becomes solid.

This is a CHEMICAL REACTION.

Find the right word meaning: "a natural process in which the atoms of chemicals mix and form new substances".

A substance that is not a solid or a gas, for example water or milk, is called ...

How do we call gas that we breath in?

There is gravity on Earth.

If it's cold, ice and snow turn into water.

What is the singular form of BACTERIA?

Vaccines protect you against illnesses.

A large spacecraft travelling in space or for scientific tests is called a SOLAR SYSTEM.