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Directions for Answering the Science Sample Questions - page 5 / 16

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Grade 8 FCAT Science Reference Sheet

=

change in velocity (m/s) time taken for this change (s)

=

distance time

Equations

Acceleration (a)

Average speed (v)

Density (D)

=

Percent Efficiency (e)

=

mass (g) Volume (cm3)

Work out (J) Work in (J)

× 100

a

=

f f

v vi t ti

v

=

d t

D

=

m V

%e =

Wout W

in

× 100

=

mass (kg) × acceleration (m/s2)

=

number of events (waves) time (s)

=

mass (kg) × velocity (m/s)

=

velocity (m/s) frequency (Hz)

=

Force (N) × distance (m)

F

=

f

=

p

=

λ

=

W

=

Force (F)

Frequency (f)

Momentum (p)

Wavelength (λ)

Work (W)

ma

Fd

n of events t

mv

v f

Units of Measure

m = meter cm = centimeter

g = gram kg = kilogram

s = second Hz = hertz (waves per second)

J = joule (newton-meter) N = newton (kilogram-meter per second squared)

Page 5

FCAT 2011 S

lT

M

il

Fl id D

f Ed

i

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