ENTERENTER

TBC 3013TBC 3013

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LECTURER : ASSOC PROF DR SOPIA MD LECTURER : ASSOC PROF DR SOPIA MD YASSINYASSIN

ALTERNATIVE CONCEPTIONS ALTERNATIVE CONCEPTIONS

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GROUP MEMBERS

NAME MATRIC NO.

UMI ABIBAH BT SULAIMAN D20091034811

SITI RAHAYU BT MOHAMED NOOR D20091034855

WONG SIEW CHING D20091034815

MARIA TING MEE SING D20081032208

ARTICLE

• Title:– Mistaken Beliefs About Where

Clouds Come From and Why It Rains

• Author:– David R. Wetzel

Misconception About Clouds• Clouds come from somewhere above the sky. • Clouds are mostly smoke, made of cotton or

wool, or they are bags of water.• Clouds are sponges that hold water. • Clouds are water vapor. • Clouds are dust particles. • Clouds go to the sea and get filled with water. • The reason clouds form is because cold air

doesn’t hold as much water as warm air • Clouds are formed by vapor from kettles• Clouds are made of cotton, wool, or smoke

MISCONCEPTION ABOUT RAIN• Rain comes from clouds sweating• Rain occurs when clouds are shaken• Rain falls out of the sky when the clouds evaporate. • Rain comes from holes in clouds. • Rain comes from clouds melting.• Rain falls from funnels in the clouds.• Rain occurs because we need it. • Rain occurs when clouds collide.• Rain occurs when clouds become too heavy.• Rain is called by frogs.• Weather is so hot, that’s why it is raining• Cloud is crying.• Rain dance by Native American to call rain.

SCIENTIFIC EXPLANATION FOR CLOUD FORMATION

• Cloud formation is dependent upon the amount of water evaporating and condensing. Water molecules are continually changing state between solid, liquid and gas. When more molecules evaporate into the atmosphere than condense on earth, clouds can form.

• Cloud Formation.flv

SCIENTIFIC EXPLANATION FOR RAIN FORMATION

• Rain occurs when the water droplets are sufficiently heavy to remain airborne they fall from the clouds.

• Water and Rain Cycle.flv

Reference

• Cloud Formation. Retrieve on 10 August from http://www.youtube.com/watch?v=uoHCMGBgIFQ

• David R. Wetzel(2008). Children's Science Misconceptions About Weather. Retrieve on 7 August from http://homeschooling.suite101.com/article.cfm/childrens_science_misconceptions

• Water and Rain Cycle. Retrieve on 7 August from http://www.youtube.com/watch?v=szXCuHOmnjg

THANK YOU!!!!