Benchmark 2 Review

Front

What does electric current flowing through a wire produce?

Back

A magnetic field.

Front

Why do we see objects as white?

Back

They reflect all light.

Front

What is the force of attraction or repulsion of magnetic materials called?

Back

Magnetism.

Front

What is the formula to find speed?

Back

Speed = Distance / Time.

Front

What does changing the frequency of a sound wave affect?

Back

Pitch.

Front

What is the definition of electric current?

Back

The flow of electric charge, typically measured in amperes.

Front

What is the relationship between voltage, current, and resistance?

Back

Ohm's Law: V = I × R, where V is voltage, I is current, and R is resistance.

Front

What is the definition of a magnetic field?

Back

A region around a magnet where magnetic forces can be detected.

Front

What is the difference between speed and velocity?

Back

Speed is scalar (magnitude only), while velocity is vector (magnitude and direction).

Front

What is the unit of measure for force?

Back

Newton (N).