Physics Revision Crossword Puzzle

QUESTIONS LIST:

• newton : unit of force
• friction : force that opposes motion e.g. tyres on a road
• acceleration : rate of change of velocity
• speed : distance divided by time
• gravitational : energy stored in raised objects
• kinetic : energy stored in moving objects
• elastic : energy stored in stretched objects
• alpha : form of radiation stopped by paper
• beta : form of radiation stopped by aluminium
• gamma : form of radiation stopped by lead
• decay : random process involving unstable nuclei
• halflife : the time taken for half a radioactive substance to decay
• milkyway : name of our galaxy
• protostar : first stage in star lifecycle
• whitedwarf : after red giant our sun will turn into a
• velocity : the speed taken to travel a distance