Measurements

1. WELCOME
TO OUR
CLASS
General Physics 1

2. MEASUREM
ENT Presented by: Sir Dave

3. Learning Objectives
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• Explain the importance of standard system
of measurement;
• Discuss the S.I. Units; and
• Solve problems involving conversion of units.
At the end of the 60-minute discussion, the Grade 12
students should be able to:

4. WHAT IS
PHYSICS?
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5. PHYSICS
• deals with the interaction
of matter, force, and
energy.
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6. LESSO
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Classical Physics
and Modern Physics

7. CLASSICAL PHYSICS
• physical ideas that actually
predate newer, more
comprehensive, or much more
broadly applicable theories
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8. MODERN PHYSICS
• a branch of physics that deals
with the post-Newtonian
concepts in the world of physics.
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9. CLASSICAL PHYSICS
• Mechanics
• Heat
• Thermodynamics
• Optics
• Elec & Magnetism
• Wave motion
• Sound
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10. MECHANICS
• deals with motion, force, work,
energy, and fluids.
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11. HEAT AND THERMODYNAMICS
• deal with the effects of heat when added
or removed from a system, the methods
of heat transfer, and the transformation
of heat energy to mechanical energy or
work and vice versa.
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12. OPTICS
• deal with the study of light and its
properties.
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13. ELECTRICITY AND MAGNETISM
• deals with phenomena associated with
electrical charges, magnetism, and the
relationship between electricity and
magnetism.
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14. • deals with properties, transmission,
and perception of different types of
waves.
WAVE MOTION AND SOUND
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15. MODERN PHYSCIS
• Nuclear Physics
• General and Special Relativity
• Particle Physics
• Quantum Mechanics
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16. NUCLEAR PHYSICS
• deals with properties of and the reactions
within the atomic nucleus.
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17. • tells how matter curves space-time and
how the curvature of space-time dictates
the trajectory of matter and light.
GENERAL RELATIVITY
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18. • deals with phenomena associated when
an object moves with speed
approaching the speed of light in
vacuum.
SPECIAL RELATIVITY
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19. • deals with the building blocks of
matter called elementary particles.
PARTICLE PHYSICS
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20. • deals with the nature and behavior of matter
and energy on the atomic and subatomic
levels.
QUANTUM MECHANICS
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21. WHAT IS
MEASUREMENT?
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22. MEASUREMENT
• is the process of comparing
something with a standard.
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23. LESSO
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Metric System and
English System

24. METRIC SYSTEM
• it has two variations: the mks
and the cgs systems.
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25. ENGLISH SYSTEM
• is otherwise known as the fps
system.
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26. LESSO
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The International
System of Units (SI)

27. LESSO
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Fundamental
Quantities and
Derived Quantities

28. FUNDAMENTAL QUANTITIES
• are basic quantities which are
independent of one another.
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29. DERIVED QUANTITIES
• are combinations of
fundamental quantities.
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30. WHAT IS A
UNIT?
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31. UNIT
• used to measure a physical
quantity, such as mass or
length
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33. Standard
prefixes for
the SI units
of measure

34. Convert (a) 55 km to meters
and (b) 12 g to kilograms.
SAMP
LE
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35. Convert the following to the required SI units.
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CHALLEN
GE
YOURSEL
F
1. 5000 mL = _____ L
2. 2.5 km = ______ m
3. 0.045 g = _________ kg
4. 250 cm = _________ m
5. 1200 mg = _________ g
5
2,500
4.5x
1.2
2.5