EO: 1.1 – 1.9 FUN 1 EO: 1.1 FUN 1 EO: 1.2 FUN 1 EO: 1.3 FUN 1 EO: 1.4 FUN 1 EO: 1.5 FUN 1 EO: 1.6 FUN 1 EO: 1.7 & 1.8 FUN 1 EO: 1.9 EO: 1.10 – 1.19 FUN 1 EO: 1.10 FUN 1 EO: 1.11 FUN 1 EO: 1.12 FUN 1 EO: 1.13 FUN 1 EO: 1.14 FUN 1 EO: 1.15 FUN 1 EO: 1.16 FUN 1 EO: 1.17 FUN 1 EO: 1.18 FUN 1 EO: 1.19 EO: 1.20- 1.30 FUN 1 EO: 1.20 FUN 1 EO: 1.21 & 1.22 FUN 1 EO: 1.23 & 1.24 FUN 1 EO: 1.25 FUN 1 EO: 1.26 FUN 1 EO: 1.27 FUN 1 EO: 1.28 FUN 1 EO: 1.29 & 1.30 EO: 1.31- 1.39 FUN 1 EO: 1.31 & 1.32 FUN 1 EO: 1.33 & 1.34 FUN 1 EO: 1.35 & 1.36 FUN 1 EO: 1.37 FUN 1 EO: 1.38 FUN 1 EO: 1.39 EO: 1.40- 1.49 FUN 1 EO: 1.40 FUN 1 EO: 1.41 FUN 1 EO: 1.42 FUN 1 EO: 1.43 FUN 1 EO: 1.44 FUN 1 EO: 1.45 & 1.46 FUN 1 EO: 1.47 FUN 1 EO: 1.48 FUN 1 EO: 1.49 EO: 1.50- 1.62 FUN 1 EO: 1.50 FUN 1 EO: 1.51 FUN 1 EO: 1.52 FUN 1 EO: 1.53 FUN 1 EO: 1.54 FUN 1 EO: 1.55 FUN 1 EO: 1.56 FUN 1 EO: 1.57 FUN 1 EO: 1.58 FUN 1 EO: 1.59 FUN 1 EO: 1.60 FUN 1 EO: 1.61 FUN 1 EO: 1.62 Menu EO: 1.1 – 1.9 FUN 1 EO: 1.1 FUN 1 EO: 1.2 FUN 1 EO: 1.3 FUN 1 EO: 1.4 FUN 1 EO: 1.5 FUN 1 EO: 1.6 FUN 1 EO: 1.7 & 1.8 FUN 1 EO: 1.9 EO: 1.10 – 1.19 FUN 1 EO: 1.10 FUN 1 EO: 1.11 FUN 1 EO: 1.12 FUN 1 EO: 1.13 FUN 1 EO: 1.14 FUN 1 EO: 1.15 FUN 1 EO: 1.16 FUN 1 EO: 1.17 FUN 1 EO: 1.18 FUN 1 EO: 1.19 EO: 1.20- 1.30 FUN 1 EO: 1.20 FUN 1 EO: 1.21 & 1.22 FUN 1 EO: 1.23 & 1.24 FUN 1 EO: 1.25 FUN 1 EO: 1.26 FUN 1 EO: 1.27 FUN 1 EO: 1.28 FUN 1 EO: 1.29 & 1.30 EO: 1.31- 1.39 FUN 1 EO: 1.31 & 1.32 FUN 1 EO: 1.33 & 1.34 FUN 1 EO: 1.35 & 1.36 FUN 1 EO: 1.37 FUN 1 EO: 1.38 FUN 1 EO: 1.39 EO: 1.40- 1.49 FUN 1 EO: 1.40 FUN 1 EO: 1.41 FUN 1 EO: 1.42 FUN 1 EO: 1.43 FUN 1 EO: 1.44 FUN 1 EO: 1.45 & 1.46 FUN 1 EO: 1.47 FUN 1 EO: 1.48 FUN 1 EO: 1.49 EO: 1.50- 1.62 FUN 1 EO: 1.50 FUN 1 EO: 1.51 FUN 1 EO: 1.52 FUN 1 EO: 1.53 FUN 1 EO: 1.54 FUN 1 EO: 1.55 FUN 1 EO: 1.56 FUN 1 EO: 1.57 FUN 1 EO: 1.58 FUN 1 EO: 1.59 FUN 1 EO: 1.60 FUN 1 EO: 1.61 FUN 1 EO: 1.62 EO: 1.1 – 1.9 FUN 1 EO: 1.1 FUN 1 EO: 1.2 FUN 1 EO: 1.3 FUN 1 EO: 1.4 FUN 1 EO: 1.5 FUN 1 EO: 1.6 FUN 1 EO: 1.7 & 1.8 FUN 1 EO: 1.9 EO: 1.10 – 1.19 FUN 1 EO: 1.10 FUN 1 EO: 1.11 FUN 1 EO: 1.12 FUN 1 EO: 1.13 FUN 1 EO: 1.14 FUN 1 EO: 1.15 FUN 1 EO: 1.16 FUN 1 EO: 1.17 FUN 1 EO: 1.18 FUN 1 EO: 1.19 EO: 1.20- 1.30 FUN 1 EO: 1.20 FUN 1 EO: 1.21 & 1.22 FUN 1 EO: 1.23 & 1.24 FUN 1 EO: 1.25 FUN 1 EO: 1.26 FUN 1 EO: 1.27 FUN 1 EO: 1.28 FUN 1 EO: 1.29 & 1.30 EO: 1.31- 1.39 FUN 1 EO: 1.31 & 1.32 FUN 1 EO: 1.33 & 1.34 FUN 1 EO: 1.35 & 1.36 FUN 1 EO: 1.37 FUN 1 EO: 1.38 FUN 1 EO: 1.39 EO: 1.40- 1.49 FUN 1 EO: 1.40 FUN 1 EO: 1.41 FUN 1 EO: 1.42 FUN 1 EO: 1.43 FUN 1 EO: 1.44 FUN 1 EO: 1.45 & 1.46 FUN 1 EO: 1.47 FUN 1 EO: 1.48 FUN 1 EO: 1.49 EO: 1.50- 1.62 FUN 1 EO: 1.50 FUN 1 EO: 1.51 FUN 1 EO: 1.52 FUN 1 EO: 1.53 FUN 1 EO: 1.54 FUN 1 EO: 1.55 FUN 1 EO: 1.56 FUN 1 EO: 1.57 FUN 1 EO: 1.58 FUN 1 EO: 1.59 FUN 1 EO: 1.60 FUN 1 EO: 1.61 FUN 1 EO: 1.62 Menu EO: 1.1 – 1.9 FUN 1 EO: 1.1 FUN 1 EO: 1.2 FUN 1 EO: 1.3 FUN 1 EO: 1.4 FUN 1 EO: 1.5 FUN 1 EO: 1.6 FUN 1 EO: 1.7 & 1.8 FUN 1 EO: 1.9 EO: 1.10 – 1.19 FUN 1 EO: 1.10 FUN 1 EO: 1.11 FUN 1 EO: 1.12 FUN 1 EO: 1.13 FUN 1 EO: 1.14 FUN 1 EO: 1.15 FUN 1 EO: 1.16 FUN 1 EO: 1.17 FUN 1 EO: 1.18 FUN 1 EO: 1.19 EO: 1.20- 1.30 FUN 1 EO: 1.20 FUN 1 EO: 1.21 & 1.22 FUN 1 EO: 1.23 & 1.24 FUN 1 EO: 1.25 FUN 1 EO: 1.26 FUN 1 EO: 1.27 FUN 1 EO: 1.28 FUN 1 EO: 1.29 & 1.30 EO: 1.31- 1.39 FUN 1 EO: 1.31 & 1.32 FUN 1 EO: 1.33 & 1.34 FUN 1 EO: 1.35 & 1.36 FUN 1 EO: 1.37 FUN 1 EO: 1.38 FUN 1 EO: 1.39 EO: 1.40- 1.49 FUN 1 EO: 1.40 FUN 1 EO: 1.41 FUN 1 EO: 1.42 FUN 1 EO: 1.43 FUN 1 EO: 1.44 FUN 1 EO: 1.45 & 1.46 FUN 1 EO: 1.47 FUN 1 EO: 1.48 FUN 1 EO: 1.49 EO: 1.50- 1.62 FUN 1 EO: 1.50 FUN 1 EO: 1.51 FUN 1 EO: 1.52 FUN 1 EO: 1.53 FUN 1 EO: 1.54 FUN 1 EO: 1.55 FUN 1 EO: 1.56 FUN 1 EO: 1.57 FUN 1 EO: 1.58 FUN 1 EO: 1.59 FUN 1 EO: 1.60 FUN 1 EO: 1.61 FUN 1 EO: 1.62 FUN 1 EO: 1.13 1 / 10 Cosmic radiation comes primarily from which two sources? The moon and earth Earth's core and atmosphere The sun and earth's crust The sun and outer space 2 / 10 Which of the following is NOT one of the four major sources of naturally occurring radiation exposures? Cosmic radiation Terrestrial radiation Microwaves Radon 3 / 10 Many areas have elevated levels of terrestrial radiation due to increased concentrations of what elements in the soil? Uranium or thorium Radium or platinum Potassium or carbon Sodium or argon 4 / 10 Which isotope is responsible for most of our internal exposure to radiation? Potassium-40 (K-40) Argon-41 (Ar-41) Sodium-24 (Na-24) Carbon-14 (C-14) 5 / 10 What is the average annual total effective dose to the general population from naturally occurring and manmade sources? 500 mrem 300 mrem 800 mrem 620 mrem 6 / 10 What increases the cosmic radiation dose at higher elevations? Increase in soil radiation Increase in gravity Decrease in atmosphere shielding Increase in temperature 7 / 10 What is the type of radiation emitted by radon? Gamma radiation Delta radiation Beta radiation Alpha radiation 8 / 10 Which of the following elements is not listed as a natural radioactive element contributing to terrestrial radiation? Platinum Radium Thorium Uranium 9 / 10 Where are the greatest concentrations of indoor radon typically found? Living rooms Attics Basements Garages 10 / 10 At sea level, what is the average annual cosmic radiation dose? 40 mrem 28 mrem 32 mrem 26 mrem Your score is Share your results with your friends!! LinkedIn Facebook Twitter VKontakte Restart quiz PreviousFUN 1 EO: 1.13Next