Review

Front

What is a new substance?

Back

A new substance is formed when a chemical reaction occurs, resulting in a change in the composition of the original materials.

Front

What is potential energy?

Back

Potential energy is the energy stored in an object due to its position or state, such as an object at a height.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion, depending on its mass and speed.

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals, such as being shiny, brittle, and semiconductors.

Front

Give an example of a metalloid.

Back

Silicon is a common example of a metalloid.

Front

What is the least compressible phase of matter?

Back

Solid is the least compressible phase of matter because its particles are closely packed together.

Front

What is normal force?

Back

Normal force is the support force exerted upon an object that is in contact with another stable object, acting perpendicular to the surface.

Front

What is an applied force?

Back

An applied force is a force that is applied to an object by a person or another object.

Front

What is friction?

Back

Friction is the force that opposes the motion of an object when it is in contact with another surface.

Front

What is gravity?

Back

Gravity is the force that attracts two bodies towards each other, commonly experienced as the force that pulls objects towards the Earth.