3-1 Part 5 Exposure to Radiation

Radiation that has enough energy to knock electrons off of atoms and break bonds is called ​ (a)   Radiation.

• IONIZING
• NON-IONIZING

Match the image and description.

E stands for Energy

• Not enough E to break bonds

• 
• Enough E to break bonds

• 
• Not enough E to knock e- off

• 
• Enough E to knock e- off & make ions

• 

After the electron is knocked off by ionizing radiation, the atom becomes a(n) ____.

Categorize these examples of radiation as either NON-IONIZING or IONIZING.

Groups:

(a) NON-IONIZING

,

(b) IONIZING

• Gamma Energy

• Visible Light

• Infrared

• Ultraviolet Light

• Microwaves

• Radio waves

• X-Rays

Label the image with the following:

b

a

c

d

Not enough energy

Non-Ionizing

Ionizing

Enough energy

Which are examples of radiation that we do NOT need to protect ourselves from since they don't have enough energy to break bonds and/or ionize particles?

• 
• 

Categorize each image as Non-Ionizing or Ionizing Radiation.

Groups:

(a) Non-Ionizing Radiation

,

(b) Ionizing Radiation

• 
• 
• 
• 
• 
• 

The damage Ionizing Radiation does to DNA can lead to:

• tissue/cell damage

• mutations

• cancer/tumors

• All of the above

True or False: Exposing plant seeds to Ionizing Radiation in order to cause mutations in the DNA is always harmful to the plant.

• True

• False

Food is hit with ​ (a)   energy/radiation in order to ​ (b)   bacteria & other pests, to ​delay ​ (c)   , and to ​ (d)   shelf life.

• gamma
• kill
• extend
• alpha
• beta
• shorten
• ripening