Friday, March 30, 2012

Week 13

Week :
Date :
Time :
Subject :
Class :

13
26.3.12 (Monday)
0705-0815 / 1055-1205
Physics
4S1 / 4S2

Learning
Area :

2. Forces and Motion

Learning
Objective :

2.5 Understanding the effects of a force

Learning
Outcomes:

The students are able to :
1. determine the relationship between force, mass and

acceleration.

Learning
Activity :

- Conduct experiments to find the relationship between:

(a) acceleration and mass of an object under constant force

(b) acceleration and force for a constant mass.

Noble
Value :

Having critical and analytical thinking

Teaching
Aids :

Runway, ticker timer, ticker tape, trolley

Reflection :

All the students were able to complete the experiment.

Week :
Date :
Time :
Subject :
Class :

13
26.3.12 (Monday)
0815-0925
Physics
5S1

Learning
Area :

3. Electromagnetism

Learning
Objective :

3.1 Analysing the magnetic effect of a current-carrying

conductor

Learning
Outcomes:

The students are able to :
1. plan and conduct an experiment to find the relationship between current and strength of electromagnet.

Learning
Activity :

- Students do the experiment.

- Students complete the experiment report.

Noble
Value :

Having critical and analytical thinking

Teaching
Aids :

Power pack, ammeter, rheostat, solenoid, nail, pins

Reflection :

All the students were able to complete the experiment.

Week :
Date :
Time :
Subject :
Class :

13
27.3.12 (Tuesday)
1020 - 1130
Physics
4S2

Learning
Area :

2. Forces and Motion

Learning
Objective :

2.8 Analysing impulse and impulsive force

Learning
Outcomes:

The students are able to :
1. explain what an impulsive force is.

2. give examples of situations involving impulsive forces.

3. define impulse as a change in momentum,

Ft = mv – mu .

4. define impulsive force as the rate of change of momentum in a collision or explosion

Learning
Activity :

- Discuss collisions and explosions to gain an idea on impulsive forces.

- Discuss impulse as change in momentum - - Discuss an impulsive force as the rate of change of momentum in a collision or explosion,

Noble
Value :

Having critical and analytical thinking

Teaching
Aids :

OHP, notes

Reflection :

80% of the students were able to define impulse and impulse force.

Week :
Date :
Time :
Subject :
Class :

13
27.3.12 (Tuesday)
1130 - 1240
Physics
5S1

Learning
Area :

3. Electromagnetism

Learning
Objective :

3.2 Understanding the force on a current-carrying

conductor in a magnetic field

Learning
Outcomes:

The students are able to :
1. describe what happens to a current carrying conductor in a magnetic field.

2. draw the pattern of the combined magnetic field due to a current -carrying conductor in a magnetic field.

3. describe how a current –carrying conductor in a magnetic field experiences a force.

4.explain the factors that affect the magnitude of the force on a current -carrying conductor in a magnetic field

Learning
Activity :

- Discuss resultant magnetic field obtained by combining the magnetic fields due to a current –carrying conductor and a magnet

- Discuss factors that affect the force on a current-carrying conductor in a magnetic field and discuss how

they affect the force on a current-carrying conductor in a magnetic field.

Noble
Value :

Having critical and analytical thinking

Teaching
Aids :

OHP, notes

Reflection :

80 % of the students were able to describe the applications of electromagnets.

Week :
Date :
Time :
Subject :
Class :

13
28.3.12 (Wednesday)
0815-0925
Physics
4S1

Learning
Area :

2. Forces and Motion

Learning
Objective :

2.8 Analysing impulse and impulsive force

Learning
Outcomes:

The students are able to :
1. explain what an impulsive force is.

2. give examples of situations involving impulsive forces.

3. define impulse as a change in momentum,

Ft = mv – mu .

4. define impulsive force as the rate of change of momentum in a collision or explosion

Learning
Activity :

- Discuss collisions and explosions to gain an idea on impulsive forces.

- Discuss impulse as change in momentum - - Discuss an impulsive force as the rate of change of momentum in a collision or explosion,

Noble
Value :

Having critical and analytical thinking

Teaching
Aids :

OHP, notes

Reflection :

90% of the students were able to define impulse and impulse force.

Week :
Date :
Time :
Subject :
Class :

13
28.3.12 (Wednesday)
1055-1130
Physics
5S1

Learning
Area :

3. Electromagnetism

Learning
Objective :

3.2 Understanding the force on a current-carrying

conductor in a magnetic field

Learning
Outcomes:

The students are able to :
1. explain the factors that affect the magnitude of the force on a current - carrying conductor in a magnetic field.

Learning
Activity :

- Discuss factors that affect the force on a current-carrying conductor in a magnetic field and discuss how

they affect the force on a current-carrying conductor in a magnetic field.

Noble
Value :

Having critical and analytical thinking

Teaching
Aids :

OHP, notes

Reflection :

85 % of the students were able to explain the factors that affect the magnitude of the force on a current - carrying conductor in a magnetic field.

Week :
Date :
Time :
Subject :
Class :

13
28.3.12 (Wednesday)
1130-1240
Physics
5S2

Learning
Area :

3. Electromagnetism

Learning
Objective :

3.2 Understanding the force on a current-carrying

conductor in a magnetic field

Learning
Outcomes:

The students are able to :
1. describe what happens to a current carrying conductor in a magnetic field.

2. draw the pattern of the combined magnetic field due to a current -carrying conductor in a magnetic field.

3. describe how a current –carrying conductor in a magnetic field experiences a force.

4.explain the factors that affect the magnitude of the force on a current -carrying conductor in a magnetic field

Learning
Activity :

- Discuss resultant magnetic field obtained by combining the magnetic fields due to a current –carrying conductor and a magnet

- Discuss factors that affect the force on a current-carrying conductor in a magnetic field and discuss how

they affect the force on a current-carrying conductor in a magnetic field.

Noble
Value :

Having critical and analytical thinking

Teaching
Aids :

OHP, notes

Reflection :

80 % of the students were able to describe the applications of electromagnets.

Week :
Date :
Time :
Subject :
Class :

13
29.3.12 (Thursday)
0815-0925
Physics
4S1

Learning
Area :

2. Forces and Motion

Learning
Objective :

2.8 Analysing impulse and impulsive force

Learning
Outcomes:

The students are able to :
1. explain the effect of increasing or decreasing time of impact on the magnitude of the impulsive force.

2. describe situations where an impulsive force needs to be reduced and suggest ways to reduce it.

3. describe situations where an impulsive force is beneficial.

Learning
Activity :

– Discuss how increasing or decreasing time of impact affects the magnitude of the impulsive force.

– Discuss situations where:

(a) an impulsive force needs to be reduced and how it can be done

(b) an impulsive force is beneficial

Noble
Value :

Having critical and analytical thinking

Teaching
Aids :

OHP, notes

Reflection :

90% of the students were able to explain the effect of increasing or decreasing time of impact on the magnitude of the impulsive force.

Week :
Date :
Time :
Subject :
Class :

13
29.3.12 (Thursday)
0945-1055
Physics
5S2

Learning
Area :

3. Electromagnetism

Learning
Objective :

3.1 Analysing the magnetic effect of a current-carrying

conductor

Learning
Outcomes:

The students are able to :
1. describe how a current -carrying coil in a magnetic field experiences a turning force.

2. describe how a direct current motor works.

3 state factors that affect the speed of rotation of an electric motor.

Learning
Activity :

- Discuss factors that affect the force on a current-carrying conductor in a magnetic field and discuss how

they affect the force on a current-carrying conductor in a magnetic field.

- Discuss the turning effect of a current - carrying coil in a magnetic field.

- Discuss how the turning effect of a current carrying -coil in a magnetic field is used in the action of a motor.

- Discuss the factors that affect the speed of rotation of an electric motor.

Noble
Value :

Having critical and analytical thinking

Teaching
Aids :

OHP, notes

Reflection :

80 % of the students were able to describe how a current -carrying coil in a magnetic field experiences a turning

Week :
Date :
Time :
Subject :
Class :

13
29.3.12 (Thursday)
1130-1240
Physics
4S2

Learning
Area :

2. Forces and Motion

Learning
Objective :

2.8 Analysing impulse and impulsive force

Learning
Outcomes:

The students are able to :
1. explain the effect of increasing or decreasing time of impact on the magnitude of the impulsive force.

2. describe situations where an impulsive force needs to be reduced and suggest ways to reduce it.

3. describe situations where an impulsive force is beneficial.

Learning
Activity :

– Discuss how increasing or decreasing time of impact affects the magnitude of the impulsive force.

– Discuss situations where:

(a) an impulsive force needs to be reduced and how it can be done

(b) an impulsive force is beneficial

Noble
Value :

Having critical and analytical thinking

Teaching
Aids :

OHP, notes

Reflection :

80% of the students were able to explain the effect of increasing or decreasing time of impact on the magnitude of the impulsive force.

Week :
Date :
Time :
Subject :
Class :

13
30.3.12 (Friday)
0940-1040
Physics
5S1

Learning
Area :

3. Electromagnetism

Learning
Objective :

3.1 Analysing the magnetic effect of a current-carrying

conductor

Learning
Outcomes:

The students are able to :
1. describe how a current -carrying coil in a magnetic field experiences a turning force.

2. describe how a direct current motor works.

3 state factors that affect the speed of rotation of an electric motor.

Learning
Activity :

- Discuss factors that affect the force on a current-carrying conductor in a magnetic field and discuss how

they affect the force on a current-carrying conductor in a magnetic field.

- Discuss the turning effect of a current - carrying coil in a magnetic field.

- Discuss how the turning effect of a current carrying -coil in a magnetic field is used in the action of a motor.

- Discuss the factors that affect the speed of rotation of an electric motor.

Noble
Value :

Having critical and analytical thinking

Teaching
Aids :

OHP, notes

Reflection :

85 % of the students were able to describe how a current -carrying coil in a magnetic field experiences a turning force.