Matter and energy. Natual 6º. Unit 5

Choose the properties of matter.

• Volume

• Density

• Mass

• Height

Physical changes modify the appearance and the nature of matter.

• Verdadero
• FALSO

There are two types of oxidation.

• Fermentation and corrosion.

• Combustion and corrosion.

• Fermentation and spoilage.

• Combustion and fermentation.

Oxidation occurs when substances react with oxygen and transform into other substances.

• Verdadero
• FALSO

When you can see the components of a mixture we say it is...

• Heterogeneous mixture

• Homegeneous mixture

When we separate a solid from a liquid by passing the liquid through filter paper it is...

• Decantation

• Filtration

• Distillation

• Evaporation

The distillation technique requires using a magnet to separate the metallic particles in a mixture.

• Verdadero
• FALSO

_____________ energy sources come from the Earth. Their supply is limited and they can´t be replaced.

• Renewable

• Non- renewable

Choose the renewable energy sources:

• Wind

• Natural gas

• Water

• Coal

Choose the non- renewable energy sources:

• Biomass

• Oil

• Uranium

• Sun