States and properties of matter 3

Wala: States and properties of matter.

L.O: Find out about the gases in the air, find out that some substances in the air cause pollution.

Solids, liquids and gases are made of particles?

A solid has a fixed shape?

We can hold a liquid in our hands?

Gas is not a state of matter because we can not see it?

A solid becomes liquid if we heat it?

​

​True or False?

Main Activity.

​Gases in the air.

Do you know some examples of gases in the air?

Name some of them.

Main Activity.

​Gases in the air.

Do you know some examples of gases in the air?

Name some of them.

Main Activity.

​Gases in the air.

Let us watch this clip.

https://www.youtube.com/watch?v=SeKnHXJqFtI

Main Activity.

​Air pollution.

Is the air clean?

How do you know?

How is air polluted?

Main Activity.

​Air pollution.

Let us watch this clip.

https://www.youtube.com/watch?v=t7Q7y_xjR5E

more info: L.book page 60 -61

Solids, liquids and gases are made of particles?

A solid has a fixed shape?

We can hold a liquid in our hands?

Gas is not a state of matter because we can not see it?

A solid becomes liquid if we heat it?

​

​True or False?