Migration Vocabulary

Front

Which of these is a thick sheet of ice? Weather, Strait, Glacier, Artifact

Back

Glacier

Answer explanation

A glacier is a thick sheet of ice formed from compacted snow over time, making it the correct answer. Weather refers to atmospheric conditions, strait is a narrow waterway, and artifact is a man-made object.

Front

When did many glaciers form?

Back

during the Ice Age

Answer explanation

Many glaciers formed during the Ice Age, a period characterized by significant global cooling and the expansion of ice sheets. The other options do not correspond to the geological time frame when glaciers were prevalent.

Front

What do scientists call a possible explanation?

Back

theory

Answer explanation

Scientists refer to a possible explanation as a 'theory'. A theory is a well-substantiated explanation based on evidence, distinguishing it from terms like 'artifact' or 'irrigation', which have different meanings.

Front

Which of these is an artifact? arrowhead, baby bird, rain, glacier

Back

arrowhead

Answer explanation

An artifact is a human-made object, and an arrowhead fits this definition as it is a tool created by people. In contrast, a baby bird, rain, and a glacier are natural entities, not artifacts.

Front

Which of these have NOT migrated? wooly mammoths, lakes, prehistoric people, Canadian geese

Back

lakes

Answer explanation

Lakes are bodies of water and do not migrate. In contrast, wooly mammoths, prehistoric people, and Canadian geese are all known to have migrated for various reasons, such as climate and food availability.

Front

Who might study artifacts to learn about long ago?

Back

archaeologist

Answer explanation

An archaeologist studies artifacts to understand past human cultures and societies. Unlike biologists, hair stylists, or florists, archaeologists specifically focus on historical objects to learn about long ago.

Front

Which created a land bridge to connect Asia and North America? Options: Ohio River or Ohio Lake, Niagara Falls or Niagara Waterfall, Gulf of Mexico or Gulf of Canada.

Back

Bering Strait or Beringia

Answer explanation

The Bering Strait, also known as Beringia during the last Ice Age, created a land bridge that connected Asia and North America, allowing migration between the two continents.