natural 5º u7

Select the correct sentence:

• Solids have indefinite shape

• Liquids have indefinite volume

• Gases have definite volume

• Gases have indefinite shape

A physical change...

• is always irreverisble

• is always reversible

• creates a new substance

• changes the shape or state

Select the chemical change:

• Melting

• Solidification

• Evaporation

• Combustion

Which one is NOT a matter properties?

• Volume

• Gravity

• Mass

• Density

Select the word related with volume:

• Resistance

• Space

• Conductor

• Solution

A mass in a volume is...

• Density

• Hardness

• Solubility

• Volume

Thermal conductivity is the ability to conduct or transfer______.

Hardness is a propertie...

• of solids

• of liquids

• of gases

• of liquids and gases

In a _______ mixture we cannot see the individual substances.

A pure substance...

• consists of one type of matter

• consists of two or more types of matter

• is a heterogeneous mixture

• is a pizza