1) Advertising is ...  a) good effect b) bad effect 2) In cyberbullying people send... a) nice comments b) bad comments 3) Obesity is ... a) good effect b) bad effect 4) A lot of screen can cause... a) to feel happy  b) headache 5) The glow that the screen gives off is...  a) red light b) yellow light c) blue light 6) If you are a baby, doctors say ... a) 5 hours of screen b) 3 hours of screen c) 0 hours of screen 7) Objects that give off BLUE LIGHT... a) Computer b) tablet c) copybook d) radio

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