Energy 5.1

Front

What is energy?

Back

Energy is the ability to do work or cause change. It exists in various forms, such as thermal, mechanical, electrical, and more.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the energy of moving particles in a substance.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential energy and kinetic energy in an object. It is the energy associated with the motion and position of an object.

Front

What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons. It powers devices like microwaves and light bulbs.

Front

What is sound energy?

Back

Sound energy is the energy produced by vibrating sound waves. It is a form of mechanical energy that travels through air, water, or solids.

Front

What is an energy transformation?

Back

An energy transformation is the process of changing energy from one form to another, such as electrical energy transforming into thermal energy in a microwave.

Front

What is an independent variable in an experiment?

Back

The independent variable is the factor that is changed or controlled in an experiment to test its effects on the dependent variable.

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What is a dependent variable in an experiment?

Back

The dependent variable is the factor that is measured or observed in an experiment, which is affected by changes in the independent variable.

Front

What is the purpose of a controlled experiment?

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A controlled experiment is designed to test a hypothesis by keeping all variables constant except for the independent variable.

Front

What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.