1) We live on a) Earth b) Mars 2) There is .... on our planet a) air b) ear 3) Clean air and clean ...... keep us healthy a) water b) lake 4) ....... air and water are bad for our planet a) clean b) dirty 5) Turn ..... the tap when you clean your teeth a) on b) off 6) Have ........ not a bath a) breakfast b) shower 7) Turn off the lights when you go ...... a) to read b) out 8) Air has ....... and other gases a) oxygen b) water 9) Don’t use plastic ...... when you go shopping a) box b) bag 10) Recycle paper, plastic and ...... a) grass b) glass

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