Indicate which of these characteristics correspond to evaporation (E) and which correspond to boiling (B): A surface phenomenon

• Evaporation

• Boiling

Indicate which of these characteristics correspond to evaporation (E) and which correspond to boiling (B):It occurs at a given temperature

• Evaporation

• Boiling

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Acetona´s fusion and boling point are -95°C AND 56°C respectively. Look at the following graph and heating curve and answer: what is the state of this substance at 0°C?

• Solid

• Liquid

• Gas

• Plasma.

Tags

NGSS.MS-PS1-4

Indicate if the following statements are true (T) or false (F): Gases have not got a mass and therefore can diffuse.

• TRUE

• FALSE

Tags

NGSS.MS-ESS2-5

Indicate if the following statements are true (T) or false (F): An excess of carbon dioxide causes an anormal increase in the greenhouse effect triggering a chance in the climate on a global level

• TRUE

• FALSE

Tags

NGSS.MS-ESS3-5

Indicate which of the following changes of state are progressive.

• Sublimation and solidification

• Fusion and reverse sublimation

• Vaporization and condensation

• Melting and vaporization

Tags

NGSS.MS-PS1-4

Indicate thestate of matter depending of the properties of matter in each state: The only motion of the particles is vibration. They do not move much relative to each other.

• Solid

• Liquid

• Gas

Tags

NGSS.MS-PS1-4

Indicate thestate of matter depending of the properties of matter in each state: The forces of attraction between particles are intermediate

• Solid

• Liquid

• Gas

Tags

NGSS.MS-PS1-4

Indicate thestate of matter depending of the properties of matter in each state: The forces of attraction between particles are almost null

• Solid

• Liquid

• Gas

Tags

NGSS.MS-PS1-4

Is to move gradually from one to another. Liquids and gases have this propertie.

• To flow

• Compression

• Diffusion

Tags

NGSS.MS-PS1-4