These are the most frequently used words in this book.
acceleration
air
angle
answer
aqaa
area
ball
between
calculate
car
causes
change
charge
circuit
collision
constant
current
decay
describe
diagram
difference
different
direction
distance
does
due
effect
electrons
emission
energy
equal
equation
example
explain
field
flow
force
gas
give
graph
heat
increases
kg
kinetic
law
light
line
mark
mass
material
means
metal
module
momentum
motion
neutrons
nucleus
number
object
ocr
ocra
opposite
particles
physics
point
potential
power
pressure
protons
quantities
questions
radiation
rate
relationship
represents
resistance
resistor
resultant
shown
shows
size
source
speed
temperature
three
time
transfer
two
unit
use
used
value
vector
vehicle
velocity
voltage
water
wavelength
waves
work