Earth Science Concepts and Phenomena

This lecture covers Chapter 24 of Conceptual Physical Science, focusing on the study of oceans, their interaction with the atmosphere, and the resulting climate effects. It discusses the composition and properties of oceans, including waves and tides, and explores the layers and composition of Earth's atmosphere. The lecture also examines solar radiation's impact on climate, the forces driving air motion, and global wind patterns. Finally, it explains ocean currents and their influence on global climate.

What percentage of Earth's surface is covered by water?

• 71%

• 50%

• 85%

• 90%

Which gas makes up the majority of Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Argon

What is the primary cause of ocean tides?

• Solar radiation

• Gravitational pull of the moon

• Earth's rotation

• Wind patterns

What is the term for the shallow underwater extension of a continent?

• Continental rise

• Abyssal plain

• Continental slope

• Continental shelf

What phenomenon causes waves to bend as they approach the shore?

• Wave reflection

• Wave refraction

• Wave diffraction

• Wave interference

Which layer of the atmosphere contains the ozone layer that absorbs harmful UV radiation?

• Troposphere

• Stratosphere

• Thermosphere

• Mesosphere

What is the primary reason for the variation in Earth's temperature across different regions?

• The amount of solar radiation per area

• The tilt of Earth's axis

• The presence of greenhouse gases

• The distance from the sun

How does the Coriolis effect influence wind patterns on Earth?

• It causes winds to deflect to the left in the northern hemisphere and to the right in the southern hemisphere.

• It causes winds to move in a straight line from the equator to the poles.

• It has no effect on wind patterns.

• It causes winds to deflect to the right in the northern hemisphere and to the left in the southern hemisphere.

What is the main driver of ocean surface currents?

• Gravity

• Earth's magnetic field

• Tidal forces

• Wind

What phenomenon is characterized by the failure of trade winds to strengthen, affecting climate on both sides of the Pacific Ocean?

• El Niño

• La Niña

• Hurricane

• Monsoon