Wednesday, 21 February 2018

Launch Lab

 Equipments:
1. Water
2. Funnel
3. Balloon filled with air
4. Hair / Sweater

 1. Why did you rub the balloon on your sweater? Predict what might have happened if you simply touched the balloon to your sweater instead of rubbing it.

Ans: We rub to make charge in the balloon so when the water fall down it will bend towards the balloon. If you simply touched the balloon to your sweater instead of rubbing it there won't be any electrons transferred between objects. 

 2. Why do you think the balloon interacted the way it did with your sweater and with the stream of water?
Ans: Because the balloon have negative charge, Water, that some parts are positive, will flow down as the curve of the balloon.

Wednesday, 10 January 2018


N 65 steps
W 53 steps
Go up 2 floors
E 21 steps
N 1 steps
End at room 302

Wednesday, 15 November 2017


Materials :
  • flashlight
  • red filter
  • blue filter
  • yellow filter
  • green filter
  • purple filter
  • white paper
Activity A 
  • Red = Red
  • Blue = Blue
  • Yellow = Yellow
  • Green = Green
  • Purple = Purple
  • Red + Blue = Purple
  • Red + Green = Brown
  • Green + Blue = Green
  • Red + Green + Blue = Black
Activity B
  • Red = Red
  • Blue = Blue
  • Yellow = Yellow
  • Green = Green
  • Purple = Purple
  • Red + Blue = Purple
  • Red + Green = Orange
  • Green + Blue = Green
  • Red + Green + Blue = White

Thursday, 14 September 2017

Lab activity


 questions
1)  why do we add salt to the ice?
-  To make the ice cooler, by sucking heat from ice and milk then the ice will cooler, the milk will freeze.
2)   why do we add the cookies and other things, only after the milk has frozen slightly
-  The cookies and other things may freeze with milk.
3)  what are two factors that affect the freezing you think?
-  Salt and Ice
4)  why do you need a bit of air in the bag?
- If there is much air inside it may pop the bag when we shake.










Wednesday, 14 June 2017

Skill Practice continued

Calculate the density of each of your mineral samples. How could you use the densities to identify the minerals?
   Ans. The density will not change if you calculate density again it will be the same as the first time. 
KeyConcept Would density or color be more useful in identifying a particular mineral? Explain your answer.
   Ans. Density would be more useful to identify a particular mineral because many types of rock have the same color.

Thursday, 1 June 2017