Page 21 - Genius PBD Science Year 4

Science Year 4 Unit 2 Humans Date:

LS 2.3.2 Explain with examples humans respond to stimuli in daily life.
LS 2.3.3 Make inferences on the importance of human response to stimuli.

12. The table below shows situations or stimuli that cause responses in humans. Write
the correct sensory organ and response in each of the following boxes. LS 2.3.2 PL 4

(a) Situation Touches a hot kettle

Sensory organ
Response

(b) Situation Smells a bad-smelling rubbish bin
Sensory organ

Response

(c) Situation Tastes sour lemon juice
Sensory organ

Response

13. The diagram below shows a girl retracting her hand when she accidentally touched

a hot iron. LS 2.3.2 LS 2.3.3

Video
Human responses
to stimuli

(a) Based on the diagram above, state the: PL 3
(i) Stimulus:

(ii) Response:

(b) Predict what would happen if the girl did not retract her hand quickly.

(c) State one importance of human response to stimuli. PL 5 HOTS Evaluating

PERFORMANCE LEVEL ( ) 1 2 3 4 5 6

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02 Unit 02 Genius PBD SCIENCE YR4.indd 14 19/10/2022 4:57 PM