4 Climate Change, Climate Proxies, and Milankovitch Cycles

Front

What is the term for when Earth is furthest from the sun?

Back

Aphelion

Front

What can not be determined by studying ice cores?

Back

Levels in the core reveal earthquakes.

Front

What type of leaf edges are found in warmer climates?

Back

Smooth edges.

Front

What type of leaf edges are found in cooler climates?

Back

Toothed edges.

Front

What causes the Earth's orbit to change back and forth over time?

Back

Gravitational pull from Saturn and Jupiter.

Front

What is the reason we have seasons on our planet?

Back

Obliquity.

Front

What is the term for the tilt of the Earth's axis?

Back

Obliquity.

Front

What is the effect of eccentricity on Earth's orbit?

Back

It describes the shape of Earth's orbit around the sun.

Front

What are climate proxies?

Back

Natural recorders of climate variability, such as tree rings, ice cores, and sediment.

Front

How do ice cores help in understanding past climates?

Back

They trap air bubbles that contain ancient atmospheric gases.