Physical Science Final Exam

Front

What is inertia?

Back

Inertia is the resistance of any physical object to a change in its velocity.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically combined.

Front

What is weight?

Back

Weight is the force exerted by gravity on an object, calculated as mass times gravity.

Front

What weather phenomenon is caused by the build-up of static electricity?

Back

Lightning is the weather phenomenon caused by the build-up of static electricity.

Front

What does the law of conservation of energy state?

Back

The law of conservation of energy states that energy is the same before and after a reaction.

Front

What is the definition of force?

Back

Force is any interaction that, when unopposed, will change the motion of an object.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a combination of two or more substances that are not chemically bonded, while a compound is a substance formed from two or more elements that are chemically bonded.

Front

What is fluid friction?

Back

Fluid friction is the resistance encountered by an object moving through a fluid (liquid or gas).

Front

What is velocity?

Back

Velocity is the speed of an object in a specific direction.

Front

What is the formula for calculating weight?

Back

Weight = mass × gravity.