Page 60 - Physics
P. 60
Physics for Secondary Schools
be from the manufacturer or poor handling coloured markers or
of the instrument. Sometimes errors of stickers to make the ruler
this type may occur when the instrument visually appealing, and
used for measuring is overheated. Also, any other useful resources
insensitivity of the instrument can result in
this error. To minimise these errors, avoid Procedure:
overheating instruments, maintain them 1. Plan the design of the ruler
regularly and store all instruments in a safe considering the length and width
place that is free from dust. Proper handling you want to achieve.
of instruments is also recommended.
2. Carefully cut the base material
(cardboard, wood, or plastic) to the
Project
desired length and shape of the ruler
Aim: Making a ruler using using scissors or a craft knife.
locally available materials 3. Smoothen the edges and surface of
the ruler using sandpaper to ensure
Description: In this project, you will there are no rough edges that could
have the opportunity affect the accuracy of measurements.
to design your own
ruler using materials 4. Using a standard measuring scale
that are available in or an existing ruler, scale your ruler
your environment. By with proper graduations.
conducting this project, 5. Test the ruler by measuring various
you will develop objects found in your environment to
measurement skills and check its precision and correctness.
improve your problem- Use a standard ruler as a reference.
solving abilities. 6. Share your product with others and
Additionally, this project discuss the process undertaken to
serves as a foundation design it.
for conducting various
explorations in physics 7. Establish the measurement error of
and other scientific your designed ruler.
disciplines.
Resources: cardboard, wood, or Refl ection
plastic, measuring scale, How will the knowledge and skills
marker or pen, scissors gained in this project shape your daily
or craft knife, sandpaper, life?
54
Student’s Book Form One
Physics Form 1 Final.indd 54 16/10/2024 20:55
