Vocabulary Quiz- Adelina's Whales

A biologist is a scientist who studies living organisms and their interactions with the environment. They conduct experiments, make observations, and analyze data to understand biological processes and phenomena. Biologists can specialize in various fields such as ecology, genetics, or microbiology. While doctors, nurses, and teachers may also contribute to scientific knowledge in their respective fields, the term "scientist" is more commonly associated with individuals who conduct research and contribute to scientific advancements across different disciplines.

A bluff is a steep, high cliff or bank, often overlooking a body of water such as a lake or creek. It is different from an island, which is a piece of land surrounded by water. Therefore, the correct answer is cliff.

The word "rumbling" typically refers to a deep, low-pitched sound. This is usually associated with a continuous or prolonged noise that is often caused by something large or powerful. "Squeaky" and "sharp" sounds are high-pitched and usually short in duration, while "silent" means no sound at all. Therefore, "deep sound" is the most appropriate choice to describe the word "rumbling".

The word "bulky" is the best fit among the given options as it contrasts with "massive". "Bulky" means large, heavy, and difficult to move or handle, which is opposite in meaning to "massive". The other options, "tiny", "salty", and "long", do not provide an opposite meaning to "massive". Therefore, "bulky" is the correct answer.

The correct answer is "pond" because a lagoon is a shallow body of water that is separated from a larger body of water, usually by a barrier such as sand or coral reefs. Similarly, a pond is a small body of water that is separate from a larger body of water, such as a lake or river. The other options, ocean, bluff, and island, do not fit the definition of a lagoon.