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WorksheetsSemester 1 Review
Total questions: 23
Worksheet time: 12mins
Sound is produced by
electrical signals in the brain
the presence of a vacuum
radiation from electromagnetic waves
the vibration of a medium
What kind of wave is sound?
longitudinal
radio
transverse
electromagnetic
In which of the following materials would sound waves move fastest?
water
hot air
steel
cool air
If you are attending a rock concert and the sound of the guitar is much louder than the singer’s voice, which of the following conclusions would be the most reasonable?
The guitar is producing higher frequency sound waves than the singer’s voice.
The singer is producing higher frequency sound waves than the guitar.
The guitar is producing sound waves of a higher amplitude than the singer’s voice.
The singer is producing sound waves of a higher amplitude than the guitar’s strumming.
The frequency of a wave is measured in
Hertz
millimeters
seconds
meters per second
Paul listens to music through the radio. Which best explains the sound Paul hears.
Sounds are fluids that travel through air.
Sounds are waves that travel through matter.
Sounds are gases that transform into vibrations.
Sounds are forms of energy that are converted from light.
Vertical columns on the periodic table are called ___?
groups
periods
rows
families
Which color on the image of the periodic table corresponds with the halogens.
red
black
blue
orange
Horizontal rows on the periodic table are called ___?
groups
periods
rows
families
Most metals share four common physical characteristics. Which of the options is not one of the four?
Luster
Conductivity
Ductility
Malleability
Reactivity
When a solute is dissolved in a solvent creating a clear liquid, is this chemical or physical?
chemical
neither chemical nor physical
physical
it depends
When a new material is formed, this is a sign that a ___________ change has taken place.
chemical
physical
scientific
temporary
Which is an example of a physical change?
an iron nail rusting
silver changing into a liquid when heated
an egg cooking
a cake baking
True of False? When ice melts, the number of atoms remains the same.
true
False
Which of these substances would you expect to be a good conductor of electricity?
a plastic fork
a wooden block
a glass jar
a copper penny
Of all these items, which one has the most freely moving molecules?
helium gas
warm water
hot lava
a brick
The process by which hot and cold air are transferred in the atmosphere is
conduction.
convection.
insulation.
radiation.
Microwave ovens heat food through the process of
conduction.
convection
radiation.
stratification
Heat is transferred from the heating element to the pot to the boiling water. What is the MOST likely method of heat transfer?
circulation
conduction
convection
radiation
Burning logs in the fire place produce heat energy. The dog gets warm from the fire when heat energy is transferred by
the air.
radiation
conduction
the flames.
What is a transfer of heat energy by electromagnetic waves through space?
conduction
convection
radiation
