SOL Review - 8th Grade Content

Front

What is the function of a generator?

Back

A generator converts mechanical energy into electrical energy.

Front

What tool is used to measure force in a science lab?

Back

A spring scale is used to measure force.

Front

Which model of an atom is the most recent?

Back

Model E is the most recent model of an atom.

Front

What type of energy transformation occurs in a coal burning power plant?

Back

The transformation is from chemical energy to thermal energy.

Front

How do you calculate power?

Back

Power (P) is calculated using the formula P = work (w) / time (t).

Front

What is the unit of work in physics?

Back

The unit of work is the Joule (J).

Front

What is the definition of energy?

Back

Energy is the ability to do work or cause change.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential and kinetic energy in an object.

Front

What is the difference between potential and kinetic energy?

Back

Potential energy is stored energy based on position, while kinetic energy is the energy of motion.

Front

What is the formula for calculating work?

Back

Work (w) is calculated using the formula w = force (F) x distance (d).