Page 164 - SK Year 5 Science DLP

ACTIVITY 2

AIM To observe the effect of heat on liquid.

APPARATUS AND Conical flask, glass tube, one-holed cork stopper,
MATERIALS coloured water, a glass container filled with hot
water, and a glass container filled with ice.
STEPS

1. Pour coloured water into the 2. Attach the glass tube to the
conical flask until it is full. one-holed cork stoppert. Then,
close the conical flask with the cork ``
stopper.

3. Put the conical flask into the glass 4. Put the conical flask into the
container filled with hot water and glass container filled with ice
observe the level of water in the and observe the level of water
glass tube. in the glass tube.

5. Sketch and record your observations 6. Discuss your group’s observation
in the table as shown below. State in front of the class.
your inference for each observation.

Step Observation Inference
Step 3 Be careful when handling the
hot water.
Step 4

What can you conclude about the level of water in the conical flask
when the conical flask is immersed in a glass container filled with:
(a) hot water? (b) ice?

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6.1.5, 6.1.7