Historical and Environmental Terms

trade winds

• The typical wind patterns that move horizontally over the Earth's surface.

• Winds that blow from the poles towards the equator.

• Winds that occur only during the summer months.

• Winds that are caused by ocean currents.

Tree Rings

• date lines that determine the age of a tree

• marks that indicate the height of a tree

• patterns that show the tree's growth rate

• sections that reveal the tree's species

volcanic ash

• tiny particles of pulverized volcanic rock and glass

• large boulders ejected during an eruption

• liquid magma that flows from a volcano

• gases released during a volcanic eruption

Celsius

• Temperature scale on which water freezes at 0 degrees and boils at 100 degrees

• Temperature scale where water freezes at 32 degrees and boils at 212 degrees

• Temperature scale used primarily in the United States

• Temperature scale that measures absolute zero at 0 degrees

Irish Famine

• The potato crops in Ireland became diseased, leading to widespread starvation and immigration to the U.S.

• The Irish government implemented new agricultural policies that improved crop yields.

• The Irish population increased significantly due to the introduction of new farming techniques.

• The famine was caused by a drought that affected all of Europe.

folk lore

• The traditions, beliefs, and customs of the common people.

• A type of music originating from rural areas.

• A genre of literature focused on heroic tales.

• A scientific study of ancient cultures.

D-Day

• Allied invasion of France on June 6, 1944.

• A major battle in the Pacific during World War II.

• The signing of the Treaty of Versailles in 1919.

• The first manned moon landing in 1969.

Pangaea

• The name of the single landmass that broke apart 200 million years ago and gave rise to today's continents

• A type of ancient dinosaur

• A geological process of mountain formation

• A theory about the origin of life on Earth

climate change

• a change in global or regional climate patterns

• a temporary change in weather conditions

• the increase in Earth's average temperature due to human activities

• a natural cycle of warming and cooling of the Earth

meteorologist

• A scientist who studies weather

• A person who predicts earthquakes

• A researcher of ocean currents

• An expert in climate change