Semester Review

Front

What is a normal force?

Back

A normal force is a contact force that acts perpendicular to the surface of an object.

Front

Energy due to motion is ____________ energy.

Back

Kinetic energy.

Front

What type of element is Silicon?

Back

Silicon is a metalloid.

Front

In which state of matter are the particles moving the fastest and are farthest apart?

Back

Gas.

Front

What state of matter has particles that are closely packed and vibrate in place?

Back

Solid.

Front

What is potential energy?

Back

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

Front

What is the difference between kinetic and potential energy?

Back

Kinetic energy is energy of motion, while potential energy is stored energy based on position.

Front

What is a contact force?

Back

A contact force is a force that acts on an object through direct contact.

Front

What is a non-contact force?

Back

A non-contact force is a force that acts on an object without direct contact, such as gravity.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.