1) Electromagnetic waves are all types of ... a) longitudinal b) transverse c) shorter d) transport 2) All electromagnetic waves travel at the same speed in a ... a) solid b) liquid c) gas d) vacuum 3) What is shown by the label 1? a) resting position b) amplitude c) wavelength d) crest e) trough 4) What is shown by the label 2? a) resting position b) amplitude c) wavelength d) crest e) trough 5) What is shown by the label 3? a) resting position b) amplitude c) wavelength d) crest e) trough 6) What is shown by the label 4? a) resting position b) amplitude c) wavelength d) crest e) trough 7) What is shown by the label 5? a) resting position b) amplitude c) wavelength d) crest e) trough 8) Which of the following is a use of ultraviolet radiation? a) security markings b) cooking food c) creating eimages of inside the body d) satellites 9) Which of the following in not a harmful effect of exposing skin to ultraviolet radiation? a) damage skin cells b) makes skin more see through c) cause skin to age faster d) increase the risk of skin cancer 10) Magnetic field lines always go from a) south to north b) never ending c) north to south d) none of them 11) Which of the following is not a magnetic material a) iron b) nickel c) cobalt d) steel e) sodium 12) When you take away a magnetic field, this type of magnet stops being a magnet. a) induced b) permanent c) clear d) static 13) A compass always points a) north in the directions of the earths magnetic field b) in different direction depending on the type. c) south in the directions of the earths magnetic field d) towards the north as its pulled by the moons Gravitational field strength. 14) The thing you change in an experiment is the ______ variable. a) control  b) dependent c) independent  d) unreliable 15) The thing you keep the same in an experiment is the ______ variable. a) control b) dependent c) independent d) unreliable 16) The thing you measure in an experiment is the ______ variable. a) control b) dependent c) independent d) unreliable 17) Newtons first law a) force = mass x acceleration b) A force is needed to make something start moving, speed up or slow down.  c) when two objects interact, the forces they exert on each other are equal and opposite. 18) Newtons second law a) force = mass x acceleration b) A force is needed to make something start moving, speed up or slow down. c) when two objects interact, the forces they exert on each other are equal and opposite. 19) Newtons third law a) force = mass x acceleration b) A force is needed to make something start moving, speed up or slow down. c) when two objects interact, the forces they exert on each other are equal and opposite.

Physics paper 2

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