Page 112 - SCIENCE DLP T6 SK (SEMAKAN 2017)

Activity 3

Apparatus and materials: glass mug, Be careful when
paper cups, tray, candle, kitchen tissues, water using candles.

Steps:

1. 2.
kitchen tissue

Wet a kitchen tissue and place it on Put a candle on the kitchen tissue
a tray. and light it up.
3. 4.

Invert a glass mug to cover Wait until the candle burns out.
the candle. Then, press the glass mug
immediately.

5. 6.

Wait for a while. Then, lift the glass Put two paper cups filled with
mug and make an observation. water beside the glass mug. Then,
lift the glass mug and make an
observation.
Questions:
1. What is your observation? Why?
2. Draw arrows to indicate the direction of air pressure in the activity above.
3. What is your conclusion for this activity?

6.3.1,
104 6.3.4