1) What is it? a) lab b) factory c) power d) cement 2) What is this place? a) mine b) experiment c) research d) lab 3) What are these? a) filament b) power c) batteries d) materials 4) What are these? a) image b) batteries c) materials d) experiment 5) Where is this? a) factory b) lab c) explore d) mine 6) ? a) power b) fail c) work d) explore 7) What do you call this? a) filament b) power c) experiment d) battery 8) What's this? a) telegraph b) phonograph c) photograph d) image 9) What is it? a) telegraph b) phonograph c) photograph d) image 10) What's he doing? a) failing b) exploring c) experimenting d) recording

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