A presentation about Magnitude for Grade 8 Science.

1. By: Jan del Rosario

3. A V E Q U
K
R
Q U A E

4. A
U
S F I
M
RTN
T S N A I

5. N
T
E Y I
S
NTI
I N E N I T Y

6. N
G
A U I DTM
EM A N I T U D

7. Release of energy
stored under the
Earth’s surface
Seismograph
Magnitude

8. Magnitude 2 – may or may not be felt
Magnitude 4 – felt by most people
Magnitude 6 – can lead to a lot ofmage
inMagnitude 6 – can lead to a lot of
damage in highly populated areas.

9. Magnitude 7 – can cause severe damage
Magnitude 8 or 9 results in widespread
destruction

10. Magnitude vs Intensity
Intensity
- Buildings and
structures are
inspected
- People are interviewed
- Roman numerals
Magnitude
- Release of energy is
measured through
complex instruments
and methods
- Hindu-Arabic numerals

11. 1-2. What are the 2 ways of describing an
earthquake’s strength?
Daily Checkup
3-4. Give 2 ways/methods of gathering data
used by experts and scientist.
5. Which is expressed in Hindu-Arabic
numerals?