TN Science Review

Front

What causes volcanoes to form along the edges of tectonic plates?

Back

The mantle has convection currents that cause the crust of two plates to collide.

Front

Why don’t fossils contain soft tissues of animals?

Back

Because the soft tissues decayed before the fossil could be formed.

Front

What process is the foundation for the food web?

Back

Photosynthesis.

Front

What do plants need for photosynthesis?

Back

Carbon dioxide.

Front

What effect did the introduction of the brown tree snake have on Guam's bird populations?

Back

Bird populations decreased as the snakes fed on the bird eggs.

Front

What is the role of convection currents in the mantle?

Back

They cause the movement of tectonic plates.

Front

What is photosynthesis?

Back

The process by which plants use sunlight to convert carbon dioxide and water into glucose and oxygen.

Front

What is a subduction zone?

Back

An area where one tectonic plate moves under another, often causing volcanic activity.

Front

What is the significance of fossils in understanding Earth's history?

Back

Fossils provide evidence of past life and help scientists understand the evolution of species.

Front

What is the primary gas released by plants during photosynthesis?

Back

Oxygen.