Water vapour in air

What is wind?

• Moving air.

• Tiny drops of water or ice crystals.

• rain, hail, sleet or snow.

• big, white, puffy, and beautiful clouds.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which among the following shows evaporation?

• Water falls as rain.

• Water changes into water vapour.

• Water vapour changes into water

• Water changes into snow.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Which container A, B or C, would take the longest time for the water to evaporate?

• A

• B

• C

Which one these factors do not affect the rate of evaporation of water?

• Temperature

• Time of the day

• Presence of wind

• Exposed surface area

Both evaporation and boiling take place at any temperature.

• True

• False

Which of the following are the factors that affecting the rate of reactions?

• Size of reactants

• Concentration of reactants

• Temperature

• Presence of catalyst

• All of above

____________ temperature can ___________ the rate of reaction.

• Higher; increase

• Lower; increase

• Moderate; increase

Evaporation is a process where _____________________

• liquid changes to gas

• throughout whole water

• on surface of water

• at any temperature

• at boiling point

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Factors that affect the rate of evaporation are :

• Humidity

• Air movement

• Exposed surface area

• Surrounding temperature

• Volume of water

Tags

NGSS.MS-ESS2-4