Earth Sci S1 Review 2024- when done, work on assignments

Front

What type of galaxy is characterized by spiral arms and a central bulge?

Back

Spiral galaxy.

Front

What phenomenon can disrupt satellites due to bursts of energy from the sun?

Back

Solar flares.

Front

Why do comets not crash into Earth despite their close approach?

Back

The Earth will exert some gravitational pull but it has more forward momentum.

Front

What type of tectonic boundary is represented by the San Andreas Fault?

Back

Transform boundary.

Front

What is the outermost layer of the Earth where we live?

Back

The crust.

Front

What is the term for the layer of the Earth beneath the crust?

Back

The mantle.

Front

What is the primary cause of earthquakes?

Back

Movement of tectonic plates.

Front

What type of galaxy has no defined shape and is often chaotic in appearance?

Back

Irregular galaxy.

Front

What is the term for the boundary where two tectonic plates move away from each other?

Back

Divergent boundary.

Front

What is the name of the region in space where most comets originate?

Back

The Kuiper Belt.