Relier Pairs At the Beach Vocabulary Version en ligne 5th Grade - Unit 2 Week 1 par Miss Sonzogni 1 Lamented 2 Sea Urchins 3 Concealed 4 Algae 5 Hammocks 6 Driftwood 7 Tweezers 8 Sternly Small pinchers for picking up small objects. Small, round sea animals with spiny shells. A group of living things, mostly found in water, that can make their own food. Strictly; firmly Felt or showed grief Wood carried along by water, or washed ashore by the water. Put out of sight; hidden. Hanging beds or couches made of canvas, cord, or other materials.