Matching Pairs Vocab Unit 3 Week 2 RSOnline version A vocabulary review for Unit 3 Week 2 Reading Street 4th grade words linked to the story of the week: Adelina's Whales. by Sarah Kelly 1 Lagoon 2 Massive 3 Bluff 4 Tropical 5 Biologist 6 Rumbling enormous shallow body of water cliff Making a low, rolling sound warm scientist who studies living things