8th Grade Energy flashcard

Front

What is radiation?

Back

Radiation is the transfer of energy through space in the form of waves or particles. An example is sunlight heating up the Earth's surface.

Front

What does Force, Mass, and Acceleration represent?

Back

These are fundamental concepts in physics. Force is a push or pull on an object, Mass is the amount of matter in an object, and Acceleration is the rate of change of velocity.

Front

What does 'repel' mean in physics?

Back

To repel means to push away from each other, often referring to like charges in electricity or magnets.

Front

What is an insulator?

Back

An insulator is a material that does not allow electrons (and therefore charge) to move easily through it.

Front

What does Newton's 1st Law state?

Back

An object in motion will stay in motion and an object at rest will stay at rest unless acted upon by an outside force.

Front

What is an example of conduction?

Back

A metal spoon heating up when placed in hot soup is an example of conduction, where heat is transferred through direct contact.

Front

What is an example of convection?

Back

Convection occurs when warmer air or liquid rises and cooler air or liquid sinks, such as in boiling water.

Front

What is the difference between a conductor and an insulator?

Back

A conductor allows electrons to move easily, while an insulator does not.

Front

What is static electricity?

Back

Static electricity is the buildup of electric charge on the surface of objects, often caused by friction.

Front

What is the formula for calculating force?

Back

Force (F) is calculated using the formula F = mass (m) x acceleration (a).