Vocabulary Quiz for Grade 9

What does the term 'optimal' mean?

• Best or most favorable

• Least favorable

• Average

• Unfavorable

Which word describes the ability to withstand wear, pressure, or damage?

• Durability

• Acoustic

• Distortion

• Portable

Fill in the blank: The term 'acoustic' relates to ______.

• Light

• Sound

• Taste

• Smell

What is 'distortion' in terms of sound or image?

• Clarity

• Alteration

• Enhancement

• Reduction

Which word means easy to carry or move?

• Portable

• Tweak

• Encode

• Decode

Fill in the blank: To 'tweak' something means to ______ it slightly.

• Break

• Ignore

• Adjust

• Destroy

What does 'chronologically' mean?

• In random order

• In reverse order

• In time order

• In alphabetical order

Fill in the blank: To 'encode' information means to ______ it into a coded form.

• Translate

• Decode

• Encrypt

• Simplify

What does it mean to 'decode' something?

• To encrypt

• To simplify

• To interpret coded information

• To ignore

Fill in the blank: A 'decibel' is a unit used to measure ______.

• Temperature

• Sound intensity

• Weight

• Speed