# 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 (cm^{3})

Work out (J) Work in (J)

× 100

a

=

f f

v – v_{i }t – t_{i }

v

=

d t

D

=

m V

%e =

W_{out }W

in

× 100

=

mass (kg) × acceleration (m/s^{2})

=

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