What is the title?

Are there substances in the world?

How can they identify?

What is the foam?

Can the physical properties for a substances change?

What are the most physical properties of a substances are ?

What are the properties of solids?

Are liquids similar to solids?

How can liquids be different from solids?

Do liquids always flow to take up the shape of their container?

Are the gases invisible?

Do the gases have smell?

What kind of gases which have small?

What is the invisible gas mentioned in the bext?

How do gases differ from liquids and solids?

How does compresion for gases do?

When is plasma found on Earth?

What do chemical properties means.?

What happens when o2 reacts with fe?

What do chemical properties describe?

When does liquid water to form ice and frost?

When do ice and frost melt to form pool of liquid water?

Can ice cream and water be change on ather?