Worksheetsrevision 6th g chapter 1 to 5
Total questions: 13
Worksheet time: 7mins
an independent variables ?
a factor is the test that never changes
a factor that the investigator changes during the test
the result of the test
a mistake in the test
a plastic toy is made from __________________ recourse material
manufactured
synthetic
raw
processed
to test a hypothesis, an investigator can _______________
design and preform an experiment
collect data and record observation
create a model
do any of the above
the mechanical property that determines a materials ability to resist breaking due to bending is called ______________.
flexibility
hardness
strength
elasticity
which of the following defines the law of conversation of energy?
energy can be transformed from one to another, but it cannot be created or destroyed.
energy can be transformed from one to another and it can also be created or destroyed.
energy cannot be transformed from one to another and it can also be created or destroyed.
none of the above
which of the following is an example of energy transformation?
a cyclist pedals to school
a car's engine moves the car
the sun shines on the tree, and it produce more cells
all of the above
which of the following is not a way in which thermal energy is transferred?
conduction
evaporation
radiation
convection
the_______________ of a wave maximum distance that the wave moves from the rest of the position.
crest
energy
ampltuide
frequency
which is not a mechanical wave?
water wave
seismic wave
electromagnetic wave
sound wave
an electrical current _______________.
flows easily in an insulator
flows easily in an open switch
produce a magnetic field
produce a electric field
a mosquito beating it wing produces sound wave with a frequency of 700Hz and wavelength of 0.5m calculate in meters per second - sound waves are travelling?
300 Hz
300m
350 m\s
350Hz
what is conductors?
it prevent electricity to flow through it
it allow electricity to flow through it
what is insulators?
it prevent electricity to flow through it
it allow electricity to flow through it
