Page 9 - Mahir PBD KSSR 2022 Thn 6 - Science

Science Year 6 Unit 1 Scientific Skills

B Carrying out the experiment:
(b) Mix all the materials
(a) Prepare the apparatus (except the yeast) into a (c) Divide the mixture into
and materials needed. three portions.
bowl.

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Salt
Bread Yeast
Sugar Flour
Sugar Salt

(e) Add 10 g of yeast.
(d) Mix the mixture until it (f) Record the observation.
becomes a dough.

(g) Repeat steps (e) to (f) by using different amount of yeast, which are 15 g and 20 g.

(h) Label the bowls according to the amount of yeast added into it.

C Collecting data and writing report
(a) Record your observation in the table below.

Amount of yeast (grams) Size of the risen bread dough

10 Kecil

15 Sederhana
20 Besar

(b) What is the inference that can be stated from your observation?

Saiz adunan roti menjadi besar kerana jumlah yis yang banyak membebaskan gas
yang banyak.

Teacher’s Signature: Date:

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01 Mahir Science Year 6.indd 7 15/03/2022 10:47 AM