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Question and answerING technique for science (section b)

SPSQUESTION KEYSTEPSANSWER KEY

C1: State one reason (inference) based on...

Model

Stability

P

Fall

Q

Still stand

.

Study the information given. And think why it happened. Why model Q still stand?

Think of the science concept you have learnt? eg: stability

Look for information given in the question:

Model Q still stand and model P fall. Why?Answer:

Q is more stable than P

C3: State one observation to support your reason (inference) in .Model

Stability

P

Fall

Q

Still stand

Refer to your reason given.

Look for something different in the information given.

Write about something you can see in the information

given.

Answer:

Q has bigger base area

orQ still stand

C10: State one information gathered in this investigation

In the investigation

State:

C11: what is changed

C12: what is measured

C13: what is kept the

same

Model

Stability

P

Fall

Q

Still stand

What is changed: Base area of the model

What is measured: Stability of model

What kept the same: Force / height of the model

Answer:

WC: Base area of the model

WM: Stability of model

WS: Force / height of the

Model

______ of______

______ to ______

SPSQUESTION KEYSTEPSANSWER KEY

C14: What is the relationship between

what is changed and what is measured?

Look for what to change and what to measure in the statement given

Relate between what is changed and what is measuredModel

Stability

P

Fall

Q

Still stand

What is changed: base area of the model What is measured: stability of the model

As the______ ______, the

WC trend

___________ __________

WM trend

Answer:

As the base area of the model increase, the stability of the model increase

Answer:

As the mass of the load increase, the length of the spring increase

C9: What conclusion can be made from this investigation?It relates between what is changed and what is measured.

1.

Model

Stability

P

Fall

Q

Still stand

What conclusion can be made from this

investigation?

2.

Surrounding

Temperature

20

25

30

35

40

45

Number of apple produced

20

30

40

40

30

20

What conclusion can be made based on this

investigation?As the______ ______, the

WC trend

___________ __________

WM trend

Answer:

As the base area of the model increase, the stability of the model increase

Answer:

The most number of apple is produced when the temperature are between 30-40 compare to other temperature.

SPSQUESTION KEYSTEPANSWER KEY

C4: Predict what will happen to.after.

C5: Predict what is the water temperature at the 6th minute?Make sure the answer ask to predict the previous or future results.

Look at the pattern.

Extrapolating dataFrom the pattern, predict your answer.

Time (min)

2

4

6

8

Water temperature

40

50

70

{ 70-50=20 202=10 50+10=60} Answer:

Predict the situation

Will grow healthy

extinct Answer

60 oC

C7: State the changes in trend/ patternObserve the trend/ pattern arrangement

Identify the differencesTime (min)

2

4

6

8

Water temperature

40

50

60

70

From small getting bigger or largerTime (min)

2

4

6

8

Water temperature

90

80

70

50

From bigger/larger getting smallerTime (min)

2

4

6

8

Water temperature

50

50

50

50

Answer:

IncreasingDecreasingunchanged

C6: What is the purpose of carrying out this activity?

Look for what to change in the diagram

Look for what to measure in the diagram

Relate your answer

What is changed: Base area of the modelWhat is measured: Stability of object

To investigate the relationship

between ______ and______

WC WM

Answer:

To investigate the relationship between the base area of the model and stability of object

PRACTICE:

1. Diagram 1 shows two plants in an investigation. Both plants are watered with

the same amount of water everyday.

R S

Diagram 1

The result of the investigation:

PlantCondition of plants after a month

RDied

SGrow healthy

a) Give one reason (inference) based on this information

..

b) State one observation on the condition of plant R to support the answer in

1(a)

.

c) State two information gathered in this investigation.

.

.

2. An agriculture officer investigated the water melons from estate X and Y planted at the same time. One watermelon was taken as a sample from

each estate.

a) Give one reason (inference) about the different between the two water melons.

b) Write one observation to support your inference in (2a)

3. Three sponges of different sizes are soaked in three containers with the

same amount of water. The sponges are removed and the amount of water

left is measured. P Q R

The results are recorded in the table below

SpongeAmount of water left (ml)

P400

Q350

R300

a)What is the purpose (aim) of the investigation?

...

b) State

i) What is changed (manipulated variable)

ii) What is measured (responding variable).

iii) What is kept the same (constant variable)

c)What is the trend of change in the volume of water left?

.

d)State the relationship between the size of the sponge and the volume of water absorb.

..4. Diagram 2 is a bar chart to show the water temperature when it is heated

Temperature (OC)

70

60

50

40

30

20

10

0 2 4 6 8

Diagram 2

a. State two information gathered from this investigation

.

.

b Predict the water temperature at the 12th minute

.

c. What conclusion can be made from this investigation?

.

5. Syamsul carries out an investigation to study the ability of different objects

obsorbing water.

He puts the objects in four beakers.

Each beakers is the same size and contain the same volume of water.

He records the time taken by the objects to absorb water.

These are Syamsuls results:

Type of object

Tissue paperCottonHand towelSponge

Time taken to absord/second

5152340

Table 2

(a) State:

(i) what is changed (manipulated variable):.

(ii) what is observed (responding variable):

(iii) what is kept the same (constant variable):.

(b) What conclusion can be made from this investigation?

Ettin Lambat

INFERENCE

OBSERVATION

CONTROLLING VARIABLES

HYPOTHESIS

The mass of the load effect the length of the spring

CONCLUSION

PREDICTING

TREND / PATTERN

AIM / PURPOSE

Black box

EMBED Word.Picture.8

Water melon from estate X

Water melon from estate Y

500 ml

water

500 ml

water

Time (minutes)

Sponge

Hand towel

Cotton

Tissue paper

EL/Panduan Sc UPSR

_1293828297.doc