Page 21 - Syok Praktis PBD (2023) Science TH5

ANSWERS

Practice B 1. S and T
1 Scientific Skills 2. P
3. P, Q, R and U
1.1 Science Process Skills
C 1. ✓ 2. ✓ 3. ✗ 4. ✓ 5. ✗
A 1. Obtained the suitable temperature and nutrients
2. Its density is lower than the density of water 2.2 Human Blood Circulatory System
3. Due to falling down the stairs
4. The driver fell asleep for an instant while driving A 1. Carbon dioxide
B 1. (a) Smells good 2. Lungs
(b) Flowering plants 3. Oxygen
(c) Thornless stem 4. Human body
(d) Has few petals B 1. The place where oxygen and carbon dioxide gases
2. Sight, smell, touch are exchanged
3. Magnifying glass 2. Pumps blood to the lungs and the whole body
3. Transports blood throughout the body
C 1. Presence of water
2. Type of plant C 1. Transporting oxygen, nutrients and water throughout
3. Condition of the plants after a week the body
D Measuring tape and wooden ruler 2. Transporting carbon dioxide and other waste products
to be removed from the body

Summative Practice 1 2.3 Relationship Between the Systems in Human Body

A 1. oesophagus, breathe
Objective Questions
2. swollen, flow
1. D 2. A 3. A 4. D 5. C 3. right, rich, left, oxygen
Subjective Questions B 1. whole body
1. (a) Measuring cylinder 2. carbon dioxide from the body
(b) To investigate the relationship between the size 3. the growth of bones
of containers and the final volume of water in the 4. the organs involved in respiration and blood circulation
containers after 30 minutes. such as the lungs and heart
(c) Decreasing 5. digestive system
6. nutrients to the organs such as the heart to continue to
(d) Information Variable function.
C 1. – Overweight
Manipulated variable
The size of – High cholesterol
containers 2. Heart disease
Responding variable 3. – Exercising frequently
– Consuming a balanced diet
The final volume – Drinking enough water
of water Constant variable
(e) The bigger the size of the container, the lesser the
volume of water it contains after 30 minutes of exposure Summative Practice 2
to the sun.

Practice Objective Questions
2 Humans
1. B 2. C 3. B 4. B 5. B
2.1 Human Skeletal System 6. B
A 1. Skull Subjective Questions
2. Ribs
3. Backbone 1. (a) S
4. Hand bone (b) Skull
5. Leg bone (c) Ramesh’s hand became swollen because the blood
flow in his blood circulatory system is disrupted.

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12 Answer SYOK PBD SCIENCE YEAR 5.indd 1 05/10/2022 1:44 PM