Water & Ice Rescue

Match the following definitions from ch. 8

• Water can flow through but swimmer can't

• Strainer

• Backwash traps anything that floats

• buoyancy

• Moves faster than 1 mph

• Swift Water

• Tendency to float in water

• Personal Flotation Device

• Keeps your head above water

• Hydraulic

The first type of ice to form: thin and opaque is called ​ (a)  

• Frazil ice
• Layered ice
• Rotten ice
• Clear ice

Label this cross section of a river.

a

b

c

d

e

Right bank

Center of riverbed

Left bank

Slowest

Fastest

Draw what these boaters are missing.

In order to increase survival time in cold water, you should...​ ​ ​ (a)  

• Curl into the fetal position
• Swim toward land
• Float on your back

• Tread water

Dry suits are generally (a)   and ​ (b)  

• expensive
• bulky
• plastic
• hybrid
• easy to swim in

Match the following

• Honeycomb with air bubbles, looks black

• Layered ice

• Finger like structure in late spring

• Candle ice

• Opaque and milky

• Rotten ice

• Striped, frozen and refrozen

• Snow ice

• Thin, opaque, and floats

• Frazil ice