Science 1.2

Questão	Responda
What is the title?	Pysical and chemical properties .
Are there substances in the world?	Yes, There are millions of different substances in the world .
How can they identify?	Each can be identified by it's properties.
What is the foam?	The foam is shaving foam a solids, liquid or gases.
Can the physical properties for a substances change?	No, that can't.
What are the most physical properties of a substances are ?	1.Solids, liquid and gazes. 2.Temperature. 3.Appearance. 4.Density (size). 5.Hard. 6.Dissolves. 7.A bility pass electricity.
What are the properties of solids?	Have a fixed shape. Have fixed size and volume. Cannot be compressed. Will usually sink when placed in liquids of the same material.
Are liquids similar to solids?	Liquids are similar to soilds.
How can liquids be different from solids?	Liquid differ from solids that they can flow and change shape.
Do liquids always flow to take up the shape of their container?	Yes, they do liquids always flow to take up the shape of their container.
Are the gases invisible?	Yes they are .
Do the gases have smell?	No, they don't have smell.
What kind of gases which have small?	Perched, scent and fumes.
What is the invisible gas mentioned in the bext?	Water vvapoar.
How do gases differ from liquids and solids?	Gases differ from solids and liquids in that they can be compressed.
How does compresion for gases do?	It allows gases to be squeezed into small volumes such as barbecue gas cylinders.
When is plasma found on Earth?	On Earth plasma is found wherever high vollage spurks are generated such as lightning bolts or in this plasma sphere.
What do chemical properties means.?	Chemical properties describe how a substance reacts with other substances.
What happens when o2 reacts with fe?	When a substance reacts with another substance an entirely new substance is formed. For example when o2 reacts with fe a new substance, rust, is formed.
What do chemical properties describe?	Chemical properties describe substance reacts with anther substance.
When does liquid water to form ice and frost?	Liquid water freezes to form ice and frost on really cold morning.
When do ice and frost melt to form pool of liquid water?	As they day warns ice and frost melt to form pools of liquid water.
Can ice cream and water be change on ather?	Yes thy can ice cream and water can be change from one state into another state.

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	Criado por ismaeil alammar mais de 7 anos atrás