CHRISLAND HIGH SCHOOL,IKEJA.
MID – TERM BREAK ASSIGNMENT
CLASS:- YEAR 9
SUBJECT :- PHYSICS
INSTRUCTION:- Answer all questions .
1. Look at the diagram of the Sun and the Earth.
a. Write down the name of path X_________________________
b. The Earth turns on its own axis.
How many hours does it take the Earth to complete one
rotation?________________________
c. Complete the sentence below.
Choose the best answer from the list
an absorber of light
a reflector of light
a refractor of light
a source of light
The Sun is -------------------------------------------------d. Complete the sentence
Choose the best answer from the list
absorbed by its surface
emitted by its surface
reflected by its surface
refracted by its surface
A planet is seen because light is ---------------------------------2. A scientist uses an oscilloscope to record the traces made from four different sounds.
The diagrams show the traces made from these four sounds.
a. Which is the loudest sound?-------------------------------b. Which sound has the highest pitch? ---------------------3. Snails move slowly
a. A snail moves 10metres in 4hours. Calculate the average speed of this snail in
metres per hour --------------------------------------------------(show working)
b. Another snail moves at a speed of 1.5metres per hour. Calculate the time it takes
this snail to move 6metres.-------------------------------------( show working)
4. 4. The diagram shows an electric circuit . Both lamps are alight.
a. Another cell is added in series with the original two cells. What would
happen to the brightness of the lamps? -----------------------------------b. Lamp A is removed as shown in the diagram
How would lamp B be affected?----------------------------------------------5. When a plastic rod is rubbed on a cloth it becomes charged.
a. Choose from the list of words to complete the following sentences .
the same as
larger than opposite to smaller than
i. The amount of charge on the rod is ------------------------ the amount of charge
on the cloth.
ii. The sign of the charge on the rod is ---------------------- the sign of the
charge on the cloth.
b. Choose from the list of words to complete these sentences.
Each answer may be used once, more than once or not at all.
attract feel no force repel
i.
When two polythene rods are rubbed and placed near each other they will----------------------------------------ii.
iii.
When a polythene rod and an acetate rod are rubbed and placed near
each other they will -----------------------------------When a charged rod is placed near an uncharged object they will ----------------------