Physical Science Review

Front

What process does a lens use to focus light?

Back

Refraction is the bending of light as it passes through different mediums, allowing lenses to focus light.

Front

What device converts light energy into electrical energy?

Back

A solar cell converts light energy into electrical energy through the photovoltaic effect.

Front

In a mixture, which component is typically considered the solvent?

Back

The solvent is the substance that dissolves the solute; in soft drinks, water is the solvent.

Front

What type of force is responsible for a person's weight?

Back

Gravitational force is the force that attracts a body toward the center of the Earth, determining weight.

Front

What is the best representation of molecules of water vapor?

Back

Molecules of water vapor are typically represented as individual H2O molecules in a gaseous state.

Front

What is the definition of refraction?

Back

Refraction is the change in direction of a wave due to a change in its speed when it passes from one medium to another.

Front

What is a solar cell?

Back

A solar cell is a device that converts light energy directly into electrical energy using the photovoltaic effect.

Front

What is a solvent?

Back

A solvent is a substance that dissolves a solute, resulting in a solution.

Front

What is gravitational force?

Back

Gravitational force is the attractive force between two masses, such as a person and the Earth.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a combination of two or more substances that retain their individual properties, while a compound is a substance formed when two or more elements chemically bond.