March Holiday Task Four

Task Four

Jimmy switched on a torch to shine through four fabrics made of different materials, A, B, C and D and recorded the readings shown on the data logger with a light sensor placed on the other side of the fabrics.

The table below shows the data he collected.

Jimmy wanted to make curtains for his bedroom to block out most of the sun rays.
(a) State the aim of Jimmy's experiment.   [1m]

(b) Which type of fabric, A, B, C or D would Jimmy choose to make his curtains for his bedroom? Give a reason for your choice.  [1m]
 
Please key in your answers here.

Stay tuned for Task Five  =)

March Holiday Task Five

The final task for this week-long break 

Task Five

Look at the picture below.

Identify the parts of this plant cell. Name the parts and their functions here.

You are encouraged to refer to your science text book - Systems.

Enjoy the rest of your break!

See you all in school!

Mrs Lim

March Holiday Task Three

Task Three

The table below shows the changes in the heart rate of a person when engaging in

a game of basketball.

(a)   Based on the table above, what is the relationship between the duration of the game and

        the number of heartbeats per minute.   [1m]

(b)    Explain why the person’s heart beat per minute increases when he exercises. [2m]

Please key in your options here.

Stay tuned for Task 4.

March Holiday Task Two

Task Two
The figure below shows how blood flows in a human body.

Arrows W, X, Y and Z represent the movement of blood. Boxes A and B represent 2 organs.

(a) Which arrows represent the movement of blood rich in oxygen?  [2m]

(b) Identify the 2 organs.  [2m]

Please key in your answers to this question here.

Stay tuned for the third question =)

Mrs Lim

March Holiday Task One

Hi Everyone,
Here is the first task for you to complete for this holiday. 

You would need to read the whole question shown on this blogpage and key in your answers here. (Follow the instructions provided.)

Task One

Fatimah carried out an experiment with four rods, A, B, C and D. The rods were each made

of different materials.

First, she kept the rods at the same temperature.

Then, she put one end of each rod into a container filled with cold water at 3^oC.

The temperature at the other end of each rod was measured and recorded after 5 minutes.

(a)       Which rod is the best conductor of heat?   [1m]

                        _____________________________________

  

(b)       Explain your answer in (a).                   [1m]

                       

________________________________________

                            

Stay tuned for Question 2 =)

Mrs Lim