Transpiration

What is transpiration?

• Excess water being released from the aerial parts of plants in the form of water vapor

• Excess sugar being released from the leave

• The way a plant makes its food

• When the plant uses sugar for energy

Transpiration is a part of____________?

• Condensation

• Sublimation

• Evaporation

• Precipitation

Tags

NGSS.MS-ESS2-4

Select all of the environmental factors that would increase transpiration.

• Increased humidity

• Increased wind speed

• Increased temperature

• Decreased surface area

Which is true?

• 99% of water taken by the plant evaporates through transpiration

• 9% of water taken by the plant evaporates through transpiration

• Evaporation through transpiration accounts only for 1% of all the water the plant takes in

• Evaporation through transpiration is minuscule

Tags

NGSS.MS-LS2-1

If plants don't store up water, how does water leave the plant?

• The roots get rid of excess water.

• Most plants DO store water.

• It is released from the leaves by TRANSPIRATION.

Tags

NGSS.MS-LS2-3

Remember when you put the celery in the water? What happened to the water level by the next day?

• The level dropped A LOT, because the celery sucked it up.

• The level stayed the same, because the celery was dead.

• The level dropped a little, because of evaporation.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which factor had the greatest impact on the rate of transpiration compared to the control?

• wind

• humidity

• light 

• darkness

Tags

NGSS.MS-LS2-4

Water transported from stems to leaves through what?

• xylem

• phloem

• stems

• roots

Adaptation to reduce transpiration

• Broader leaves

• absence of cuticle

• More stomata

• Narrow leaves

Kidney shaped cells at the border of the stomata

• Lenticels

• Cuticle

• Guard cells

• Hydathodes