/* This script and many more are available free online at The JavaScript Source :: http://javascript.internet.com Created by: James Crooke :: http://www.cj-design.com */ var questions = new Array(); var choices = new Array(); var answers = new Array(); var response = new Array(); // To add more questions, just follow the format below. questions[0] = "1) How long can a human being live without oxygen?"; choices[0] = new Array(); choices[0][0] = "Less than 60 seconds"; choices[0][1] = "32 minutes"; choices[0][2] = "A few minutes"; choices[0][3] = "An hour"; answers[0] = choices[0][2]; questions[1] = "2) How does a human get oxygen?"; choices[1] = new Array(); choices[1][0] = "From the food we eat"; choices[1][1] = "From the water we drink"; choices[1][2] = "From the evaporation of the ocean"; choices[1][3] = "From the air we breathe"; answers[1] = choices[1][3]; questions[2] = "3) Where does the oxygen come from?"; choices[2] = new Array(); choices[2][0] = "From trees and plants"; choices[2][1] = "From other people"; choices[2][2] = "From animals"; choices[2][3] = "From decaying vegetation"; answers[2] = choices[2][0]; questions[3] = "4) Can you name the largest oxygen producers?"; choices[3] = new Array(); choices[3][0] = "Grass and grapevines"; choices[3][1] = "Trees and algae"; choices[3][2] = "Animals and insects"; choices[3][3] = "Decaying vegetation and fertilizer"; answers[3] = choices[3][1]; questions[4] = "5) How do they produce oxygen?"; choices[4] = new Array(); choices[4][0] = "Through photosynthesis"; choices[4][1] = "Through osmosis"; choices[4][2] = "Through respiration"; choices[4][3] = "Through atmospheric permeation"; answers[4] = choices[4][0]; questions[5] = "6) What else do they produce in this process?"; choices[5] = new Array(); choices[5][0] = "Ozone"; choices[5][1] = "Other plants"; choices[5][2] = "Water"; choices[5][3] = "Edible organic matter - food"; answers[5] = choices[5][3]; questions[6] = "7) If photosynthesis were to stop, what would happen to life on earth?"; choices[6] = new Array(); choices[6][0] = "We would have to excercise more"; choices[6][1] = "It would be harder to breathe"; choices[6][2] = "We would have to use oxygen tanks"; choices[6][3] = "It would die"; answers[6] = choices[6][3]; questions[7] = "8) Does the production of oxygen affect the ozone layer?"; choices[7] = new Array(); choices[7][0] = "YES"; choices[7][1] = "NO"; answers[7] = choices[7][0]; questions[8] = "9) What other species of life on earth breaths oxygen like humans?"; choices[8] = new Array(); choices[8][0] = "Fungi"; choices[8][1] = "Plants"; choices[8][2] = "Animals"; choices[8][3] = "Viruses"; answers[8] = choices[8][2]; questions[9] = "10) Can you name a species that doesn’t like a lot of oxygen?"; choices[9] = new Array(); choices[9][0] = "Fish"; choices[9][1] = "Insects"; choices[9][2] = "Birds"; choices[9][3] = "Viruses"; answers[9] = choices[9][3]; questions[10] = "11) What kind of diseases do they cause in humans?"; choices[10] = new Array(); choices[10][0] = "Baldness"; choices[10][1] = "Nail fungus"; choices[10][2] = "Colds,Cancer and AIDS "; choices[10][3] = "Allergies"; answers[10] = choices[10][2]; questions[11] = "12) What happens to them in an oxygen rich environment?"; choices[11] = new Array(); choices[11][0] = "They multiply"; choices[11][1] = "They mutate"; choices[11][2] = "They die"; choices[11][3] = "The become bacteria"; answers[11] = choices[11][2]; questions[12] = "13) Then do we need plenty of oxygen for everybody? Mommy, Daddy, Baby and all the Aunts and Uncles, and Grandma and Grandpa?"; choices[12] = new Array(); choices[12][0] = "YES"; choices[12][1] = "NO"; answers[12] = choices[12][0]; questions[13] = "14) Where did you say oxygen comes from?"; choices[13] = new Array(); choices[13][0] = "Water"; choices[13][1] = "Trees, plants and algae"; choices[13][2] = "Sunshine"; choices[13][3] = "Food"; answers[13] = choices[13][1]; questions[14] = "15) What would the world be like if there were no more trees and plants?"; choices[14] = new Array(); choices[14][0] = "Cold"; choices[14][1] = "No oxygen - no people"; choices[14][2] = "Full of animals"; choices[14][3] = "Overrun by insects"; answers[14] = choices[14][1]; questions[15] = "16) Have you ever planted a tree?"; choices[15] = new Array(); choices[15][0] = "YES"; choices[15][1] = "NO"; answers[15] = choices[15][0]; questions[16] = "17) Have you ever cut down a tree?"; choices[16] = new Array(); choices[16][0] = "YES"; choices[16][1] = "NO"; answers[16] = choices[16][1]; questions[17] = "18) What do you think about cutting down a whole forest and do you think this is good?"; choices[17] = new Array(); choices[17][0] = "Cutting down forests makes room for more people"; choices[17][1] = "It's good for the environment"; choices[17][2] = "It's bad for the environment"; choices[17][3] = "Cutting down forests makes more oxygen"; answers[17] = choices[17][2]; questions[18] = "19) What can we each do to help?"; choices[18] = new Array(); choices[18][0] = "Plant trees and other vegetation"; choices[18][1] = "Cut down trees"; choices[18][2] = "Dump industrial waste into streams, rivers, lakes and oceans"; choices[18][3] = "Drive more"; answers[18] = choices[18][0]; questions[19] = "20) If we have a lot of money, do we still need oxygen?"; choices[19] = new Array(); choices[19][0] = "YES"; choices[19][1] = "NO"; answers[19] = choices[19][0]; // response for getting 100% response[0] = "Excellent, you really care about our Planet Earth!"; // response for getting 90% or more response[1] = "Excellent, try again to get 100%!" // response for getting 70% or more response[2] = "Well done, that is a good score, can you do better?"; // response for getting over 50% response[3] = "Nice one, you got more than half of the questions right, can you do better?"; // response for getting 40% or more response[4] = "You got some questions right, you can do better!"; // response for getting 20% or more response[5] = "You didn't do too well, why not try again!?"; // response for getting 10% or more response[6] = "That was pretty poor! Try again to improve!"; // response for getting 9% or less response[7] = "Oh dear, I think you need to go back to school (or try again)!";