Study the 20 vocabulary terms below. Then continue to the activities.
- Ascend
- Buddy
- Buoyancy
- Current
- Depth
- Descend
- Dive computer
- Emergency
- Equalize
- Fins
- Float
- Marine life
- Mask
- Reef
- Regulator
- Signal
- Surface
- Tank
- Visibility
- Wetsuit
Verb (infinitive)
To go up to the surface of the water.
Divers should ascend slowly to stay safe.
Noun (person)
Your partner who dives with you for safety.
Always stay close to your buddy.
Noun (thing)
The ability to float or sink.
He controlled his buoyancy with his vest.
Noun (thing)
A flow of water moving in one direction.
They checked the current before diving.
Noun (thing)
How far below the surface you are.
They reached a depth of 20 meters.
Verb (infinitive)
To go down into the water.
They descended to explore the reef.
Noun (thing)
A device that shows depth, time, and more.
He checked his dive computer often.
Noun (thing)
A dangerous or unexpected situation.
Practice what to do in an emergency.
Verb (infinitive)
To adjust pressure in your ears.
Remember to equalize as you descend.
Noun (thing)
Plastic or rubber gear worn on your feet to help you swim.
She put on her fins and kicked forward.
Verb (infinitive)
To stay on top of the water.
She floated on her back before diving.
Noun (thing)
The animals and plants that live in the sea.
They saw lots of marine life near the reef.
Noun (thing)
A piece of equipment that helps you see underwater.
Put on your mask before jumping in.
Noun (thing)
An underwater area with rocks or coral.
The reef was full of colorful fish.
Noun (thing)
The part that lets you breathe air from the tank.
She put the regulator in her mouth before going under.
Verb (infinitive)
To give a message with your hand or light.
She signaled to go up.
Noun (thing)
The top of the water.
They signaled before going back to the surface.
Noun (thing)
A metal container that holds air for breathing underwater.
Check your tank before every dive.
Noun (thing)
How far you can see underwater.
Visibility was low because of the waves.
Noun (thing)
A suit made of rubber that keeps you warm in cold water.
He wore a wetsuit to stay warm.