5b Extra Test

YEAR_5_2009_IMPROMPTU_TEST

Draw the ray diagrams to show the reflection of light on : (2marks) 1) Smooth flat surface

2) Rough uneven surface

Answer all the questions (7marks) The table below shows the result of an investigation that was carried out by a group of pupils to investigate an electric circuit. Number of bulb used Brightness of the bulbs

1

2

3

Very bright

Bright

Dim

a) What is the aim of the investigation? ______________________________________________________________________ b) State the variable below (i) What need to be observe

: ________________________________

(ii) What need to be changed

: ________________________________

(iii) What must kept same

: ________________________________ By: MR.R.Sudheep 2009

YEAR_5_2009_IMPROMPTU_TEST

c) Make a hypothesis based on the result above. ______________________________________________________________________ d) Predict the type of circuit that was used. _______________________________________________________________________ Answer the entire question (9marks) Adam and Sara set up the circuit as shown below

P Q They recorded their observation in the table below. Circuit P Q

Brightness of bulb Very bright Dim

a) What is the aim of the activity? _________________________________________________________________ _________________________________________________________________ b) What needs to be kept same? (i) _________________________________________________ (ii) _________________________________________________ c) What need to be (i) Observe (ii) Change

: ___________________________________ : ___________________________________

d) Name the type of circuit in (i) P : ______________________________________ (ii) Q : ______________________________________ e) What conclusion can you draw from this activity? _____________________________________________________________ _____________________________________________________________

By: MR.R.Sudheep 2009

YEAR_5_2009_IMPROMPTU_TEST

Answer the entire question (6marks) Table 1 shows the temperature of water when heated for 3 minutes.

Heating time (minute)

1

2

3

4

Temperature (°C)

40

45

50

X

Table 1 a)

What is the aim of this investigation ? To investigate the relationship between _____________ and ______________.

b)

c)

State the following variables i)

What to change (manipulated variable)

: ____________________

ii)

What to measure (responding variable)

: ____________________

iii)

What to keep the same (controlled variable) : ____________________

What will be the temperature when the water heated until 4 minutes __________________

d)

State the inference explaining why the water becomes warmer. Water becomes ________________________________________________

By: MR.R.Sudheep 2009

YEAR_5_2009_IMPROMPTU_TEST

Answer the entire question (7marks) The table below shows an investigation that has been carried out by Raju and his friend from Year 5. They record the temperature of water that was taken every 3 minutes for 12 minutes. Time (minute) 0 3 6 9 12 a)

Temperature of water (°C) 95 85 75 65 55

What do Raju and his friends want to find out? The investigate the relationship between ______________ and the fall in ___________________.

b)

State the trend shown in the temperature of the water. __________________________________________________________________

c)

d)

State the following variables i)

What to change (manipulated variable)

: ____________________

ii)

What to measure (responding variable)

: ____________________

iii)

What to keep the same (controlled variable) : ____________________

What will the temperature of the water be at the 18th minute? ___________________________________________________________________

e)

Make a hypothesis based on the observation above. The more time ________________________, the temperature of the water will be ___________________________.

By: MR.R.Sudheep 2009

YEAR_5_2009_IMPROMPTU_TEST

Answer the questions below in the spaces provided.(12marks) 1.

State out the metric units for temperature i)

2.

ii)

_________________

Tick (√ ) the correct statements and cross (X) to the wrong statements a)

An object expand when it is heated.

[

]

b)

An object contracts when it is cooled.

[

]

c)

The temperature decreases when heat is absorbed and the temperature increases when heat is lost.

[

]

The temperature of an object or material decreases as it gains heat.

[

]

The temperature of an object or material increases as it loses heat.

[

]

d) e)

3.

___________

A __________ object has low temperature. ( hot / cold ) A __________ object has high temperature. ( hot / cold )

4.

The temperature of hot water is ___________. The temperature of cold water is ___________.

5.

A healthy person should show a temperature reading of _________.

Each question below is followed by four possible answers. Choose and circle the correct answer. (6marks) 1.

What will happen to a substance that receives heat? A B C D

2.

Becomes cooler Strengthen Becomes warmer Remains uncharged

Which energy below is needed to make the water become warmer? By: MR.R.Sudheep 2009

YEAR_5_2009_IMPROMPTU_TEST

A B C D 3.

The metric unit to measure temperature is A B C D

4.

Matter reduces in size Matter becomes cooler Matter expands Matter contracts

Why do we see gaps at railway tracks? A B C D

6.

metre kilometre celsius degree

What is the effect when matter is heated? A B C D

5.

Heat Kinetic Chemical Light

The railway tracks will expand. The railway tracks will bend. The railway tracks will be straight. The railway tracks will contract.

Which object below will be heated up when exposed to sunlight? I Steel ruler II Wooden chair III Paper clip IV Paper A C

I and III only I , II and III only

B D

II and IV only II , III and IV only

By: MR.R.Sudheep 2009

YEAR_5_2009_IMPROMPTU_TEST

Answer the question. (6marks) The diagram below shows town, A and B on the Earth.

B

Sun

A Earth

a) Town A experienced ________________ because it receives light from the _______________ b) Town B experienced _______________ because it does not receive light from the _____________ c) If the time at town A is 12.00 noon, predict the time at town B. _____________________________________________________________ d) How long per day the Earth have at the Equatorial region? i)

daytime

: ______________

ii)

night-time : _______________

e) The rotation of the Earth on the axis causes ____________ and __________ f) The earth rotates the sun in _________days and the moon rotates the earth in _______days.

By: MR.R.Sudheep 2009

YEAR_5_2009_IMPROMPTU_TEST

Answer the question below. (4marks) 1. The following is a situation that happened long time ago.

A group of sailors that wanted to travel north were lost in the ocean. When they looked up in the sky, they saw a constellation that looked like a ladle. One of the sailors told them that they can use the constellation to find their direction again.

(a)

What is the name of the constellation? _____________________________________________________

(b)

How did the constellation help the sailors to find their direction again? _____________________________________________________

(c)

Based on the information above, state the use of constellation. __________________________________________________

(d)

Name the modern device that is used now to replace constellation. ___________________________________________________

By: MR.R.Sudheep 2009