Semester Exam Rev

Front

What is a hot spot in geology?

Back

A hot spot is a large plume of magma that rises from deep within Earth, leading to volcanic activity as tectonic plates move over it.

Front

What happens to islands formed by a hot spot as a tectonic plate moves?

Back

The oldest island will be located farthest from the hot spot.

Front

What are balanced forces?

Back

Balanced forces are equal in size and opposite in direction, resulting in no change in motion.

Front

What are unbalanced forces?

Back

Unbalanced forces are not equal and can cause an object to accelerate in the direction of the net force.

Front

What is the law of superposition?

Back

The law of superposition states that in undisturbed layers of rock, the oldest layers are at the bottom and the youngest are at the top.

Front

How does temperature affect the kinetic energy of particles in a substance?

Back

As the temperature within a substance increases, the particles will move at a faster rate.

Front

What is a compound in chemistry?

Back

A compound is a substance formed when two or more elements chemically bond together.

Front

What is an index fossil?

Back

An index fossil is a fossil that is used to define and identify a particular time period in the geological time scale.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded.

Front

What is kinetic energy?

Back

Kinetic energy is the energy an object possesses due to its motion.