Kerne - Physical Science 2024 Midterm Review

Front

Can laws be changed?

Back

No, laws are established principles that govern behavior and are not subject to change.

Front

The source of solar energy is the ________

Back

Sun

Front

Friction converts mechanical energy into _________

Back

Thermal energy

Front

Forces acting on an object that combine and form a net force of zero are called ________

Back

Balanced forces

Front

A place or object used for comparison to determine if an object is in motion is called a ________

Back

Reference point

Front

What is the definition of kinetic energy?

Back

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

Front

What is potential energy?

Back

Potential energy is the stored energy of an object due to its position or state.

Front

What is the difference between balanced and unbalanced forces?

Back

Balanced forces result in no change in motion, while unbalanced forces cause an object to accelerate.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time

Front

What is the law of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed from one form to another.