Semester 1 Review

Front

What happens to the wavelength when the frequency of a wave increases?

Back

The wavelength decreases.

Front

What are the components of an electromagnet?

Back

Battery, copper wire, and iron nail.

Front

What are the units for calculating speed in a graph?

Back

km/h.

Front

What energy transformation occurs in a toaster?

Back

Electrical → thermal.

Front

What does a graph showing a downward slope indicate about an object's motion?

Back

An object slowing down.

Front

Define frequency in the context of waves.

Back

Frequency is the number of waves that pass a point in one second.

Front

What is the relationship between frequency and wavelength?

Back

As frequency increases, wavelength decreases.

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet in which the magnetic field is produced by an electric current.

Front

What is the formula for speed?

Back

Speed = Distance / Time.

Front

What type of energy is used in a toaster?

Back

Electrical energy.