CP Science Exam 1st Sem. 24 25

Front

What is an Independent Variable?

Back

The variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

What is a Dependent Variable?

Back

The variable that is measured and affected in an experiment, dependent on the independent variable.

Front

What is a Controlled Variable?

Back

Variables that are kept constant throughout an experiment to ensure that the results are valid.

Front

What is Newton’s First Law of Inertia?

Back

An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a net external force.

Front

What is an Electromagnet?

Back

A type of magnet in which the magnetic field is produced by an electric current.

Front

How does the number of coils affect the strength of an electromagnet?

Back

Increasing the number of coils increases the strength of the electromagnet.

Front

What is the difference between Digital and Analog information?

Back

Digital information is represented by a series of 0's & 1's, while analog information is represented by a continuous signal.

Front

What is a Simple Motor?

Back

A device that converts electrical energy into mechanical energy.

Front

What is Mechanical Energy?

Back

The sum of potential energy and kinetic energy in an object.

Front

What is Electrical Energy?

Back

Energy caused by the movement of electrons.