Unit 8 Quiz

Question 1

Radiation is defined as

Answer 1

energy traveling through space

Question 2

Ionizing radiation is

Answer 2

radiation that has so much energy it can knock electrons out of atoms (ionization)

Question 3

Two types of ionizing radiation

Answer 3

Particulate energy (highly energetic protons, neutrons, and a and b particles)

Electromagnetic energy (photons such as gamma rays and X-rays)

Question 4

Alpha particle

Answer 4

Low penetration power, can be stopped by paper, if swallowed very harmful, can enter through open wounds/inhalation

Question 5

Beta Particle

Answer 5

Has moderate penetrating power,can penetrate the skin up to 2 cm, clothing can provide protection

Question 6

Radioactivity is

Answer 6

the spontaneous emission of radiation from the nucleus of an unstable atom

Question 7

Absorbed Dose

Answer 7

The radiation energy absorbed per unit mass of an organ/tissue, how much radiation an object or person has absorbed

Question 8

Effective Dose (Dose Equivalent)

Answer 8

Describes amount of radiation absorbed, adjusted for type of radiation and effect on particular organs

Question 9

Becquerel:

Answer 9

Curie (corresponds to radioactivity)

Question 10

Gray:

Answer 10

Rad (radiation absorbed)

Question 11

Sievert:

Answer 11

Rem (dose related to biological effect)

Question 12

Coulomb:

Answer 12

Roentegen (corresponds to exposure)

Question 13

Fukushima question:

Describe the earthquake

Answer 13

Tohoku earthquake was a 9.0 undersea earthquake, one of the strongest ever recorded

Question 14

Fukushima question:

Describe the tsunami

Answer 14

The earthquake triggered a massive tsunami with waves reaching up to 40 meters. It eventually hit the power plant approximately 50 minutes after the earthquake, leading to severe damage.

Question 15

Fukushima question:

Approximately how many killed and homeless?

Answer 15

20k people killed, 500k people homeless

Question 16

Fukushima question:

Nuclear disaster explain

Answer 16

Tsunami waves overwhelmed plant’s seawall and flooded basements, disabled diesel generators, compromised power supply and cooling of three reactors, leading to overheating and meltdown, releasing radioactive materials into the environment

Question 17

What is unique about both Chernobyl and Fukushima as nuclear disasters?

Answer 17

They are only ones ranked seven at severity on International Nuclear Event Scale

Question 18

Explain Chernobyl accident

Answer 18

Disaster occurred during a late-night safety test which simulated power outage. There was an uncontrollable reaction, resulting in massive explosion/fire that released large amounts of radioactive particles into the atmosphere.

Question 19

What is the only notable increase in prevalence of disease at Chernobyl?

Answer 19

Thyroid cancer

Question 20

What was the town at Chernobyl called?

Answer 20

Pripyat

Question 21

Natural sources of ionizing radiation

Answer 21

Cosmic rays, other forms of radiation that impinge upon earth from outer space, radiation from geologic formations that contain radioactive elements

Question 22

Anthropogenic sources of ionizing radiation

Answer 22

X-rays, consumer products, nuclear power generators, radioactive substances used in industry

Question 23

Nucliide

Answer 23

Any species of atom that exists for a measurable length of time

Question 24

What forms of waves are ionizing?

Answer 24

X-rays, gamma rays

Question 25

Extremely Low Frequency radiation hertz range

Answer 25

50 to 60

Question 26

Cell phone emission range

Answer 26

900 to 1800 megahertz