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