Ocean Currents Quiz

What effect does the Gulf Stream have on the climate of northern Europe?

• It makes the climate extremely cold

• It has no significant effect on the climate

• It keeps the climate relatively warm

• It causes frequent heavy rainfall

What is the primary cause of the variations in Earth's orbit described by Milankovitch Cycles?

• Changes in solar radiation

• Eccentricity of Earth's orbit

• Volcanic eruptions

• Human activities

Which of the following is NOT a natural cause of climate change?

• Solar variation

• Volcanism

• Enhanced Greenhouse Effect

• Milankovitch Cycles

What type of evidence is used to study past climate changes?

• Fossil fuels

• Ocean currents

• Tree rings and ice cores

• Urban heat islands

During which period did the Medieval Warm Period occur?

• 950 to 1250

• 1300 to 1600

• 800 to 1100

• 1400 to 1700

What is another term used to describe tropical cyclones?

• Tornadoes

• Typhoons

• Earthquakes

• Tsunamis

What is the primary source of formation for tropical cyclones?

• Cold, dry air

• Moist, warm air

• High atmospheric pressure

• Low sea temperatures

During which months are tropical cyclones most likely to form in the Northern Hemisphere?

• January to March

• June to November

• April to July

• September to December

Which of the following is NOT an impact of tropical cyclones?

• Coastal flooding

• Landslides

• Drought

• High winds

What causes the rotation of tropical cyclones?

• Gravitational pull of the moon

• Coriolis effect

• Solar flares

• Continental drift