Listen to these words.
sediment
water-filled
recovery
spelunking
guideline
hazardous
visibility
siphons
deadly
dive lights
backup
decompress
Learn the new words!
To reduce pressure/air.
decompress
An alternate or substitute.
backup
Special bright lights that can go in the water for diving.
dive lights
Something that is able to cause death.
deadly
A small passage filled with water.
siphons
How good or bad something can be seen.
visibility
Something that is dangerous.
hazardous
A string used by divers to return back to safety.
guideline
The activity of exploring inside caves.
spelunking
To return back to normal.
recovery
Something that is full of water.
water-filled
Some bits of rocks and sand that settle to the bottom of the water.
sediment
Now, do the test!
Congratulations!
You've matched all the pairs!