Unit 4 Mid-Unit Test Review

What are waves?

• Repeating pattern of motion that transfers energy

• The thing that you surf on

What are the different properties of waves?

• Amplitude

• Frequency

• Swells

• Wavelength

What happens when sound waves are reflected?

• Echo

• No echo

• Sound is heard in another room

Which is the wavelength?

• 1
• 2
• 3
• 4

The loudness of the sound depends on

• wavelength
• amplitude
• frequency

Which color has the lowest frequency?

• red
• green
• blue
• violet

Which color has the highest frequency?

• blue
• yellow
• orange
• violet

The highest point on a wave is:

• the crest

• the trough

• the top

• the coast

When light hits a black object, like the one in the picture, what will happen to the different colors?

• All colors of light will bounce off
• All colors of light pass through it
• All colors of light will be absorbed
• None of the above

This illustration best depicts which of the following behaviors?

• Reflection

• Refraction

• Diffraction

• Resonance