ALTERNATIVE CONCEPTIONS USER NAME : TBC 3013 ********* PASSWORD : ENTER ENTERLECTURER : ASSOC PROF DR SOPIA MD YASSIN
GROUP MEMBERS NAME MATRIC NO. UMI ABIBAH BT SULAIMAN D20091034811SITI 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). Childrens Science Misconceptions About Weather. Retrieve on 7 August from http://homeschooling.suite101.com/article.cfm/childr ens_science_misconceptions• Water and Rain Cycle. Retrieve on 7 August from http://www.youtube.com/watch?v=szXCuHOmnjg