1st Semester Exam Review 2023-24

Front

What increases the strength of an electromagnet?

Back

Increasing the number of loops of wire around the core.

Front

What causes a change in the motion of an object?

Back

Unbalanced Forces.

Front

What is the wave property of frequency in sound waves often referred to as?

Back

Pitch.

Front

What is the best way to record sound in a car?

Back

A digital recording device.

Front

Which rock experiences the most gravity?

Back

The rock with the most weight.

Front

What is an electromagnet?

Back

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

Front

What are balanced forces?

Back

Forces that are equal in size and opposite in direction, resulting in no change in motion.

Front

What are unbalanced forces?

Back

Forces that are not equal and opposite, causing a change in the motion of an object.

Front

What is frequency?

Back

The number of waves that pass a point in a given period of time, usually measured in Hertz (Hz).

Front

What is the relationship between frequency and pitch?

Back

Higher frequency results in a higher pitch, while lower frequency results in a lower pitch.