ESS First Semester Exam

Front

What are vibrations that travel through Earth's layers?

Back

Seismic waves.

Front

The path a star takes in its life cycle depends on the star's _____________.

Back

Mass.

Front

What are rocks composed of?

Back

One or more minerals.

Front

What are sources of Earth's internal heat?

Back

Gravitational energy, heat transfer, and radioactive decay.

Front

If a hypothetical planet is located 20 AU from the Sun, how long is the planet's year?

Back

89.4 Earth years.

Front

Define seismic waves.

Back

Waves of energy that travel through the Earth's layers, typically caused by geological activity.

Front

What is the significance of a star's mass in its life cycle?

Back

It determines the star's evolution, lifespan, and ultimate fate.

Front

What are minerals?

Back

Naturally occurring inorganic substances with a definite chemical composition and crystalline structure.

Front

What is radioactive decay?

Back

The process by which unstable atomic nuclei lose energy by emitting radiation.

Front

What is gravitational energy in the context of Earth's internal heat?

Back

Energy generated from the gravitational pull and pressure within the Earth.