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