General Science

Heat Transfer
The color and texture of poor absorber of radiant heat is
black and shiny
black and dull
white and shiny
white and dull
Author: rikazzz Comment
Electric Circuits and Currents
Electric motor changes electrical energy into
potential energy
thermal energy
heat energy
kinetic energy
Author: rikazzz Comment
Reproduction in Plants
In some plants, if a branch of a plant is cut and planted in the soil, roots will grow and form a new plant, this reproduction is known as
tuber
rooting branch
cutting
grafting
Author: rikazzz Comment
Heat Transfer
Majority of the people wear white or light colored clothes in summer, because light colors
s
reflect less heat
reflect more heat
transfer less heat
Author: rikazzz Comment
Electric Circuits and Currents
If temperature rises very high, it can be used in
electric lamps
electric heaters
electric coolers
electric fans
Author: rikazzz Comment
Physical and Chemical Changes
The kinetic energy in gases is greater than the intermolecular
force of attraction
force of particles
force of elements
force of gravity
Author: rikazzz Comment
Dispersion of Light
Objects that let some light to pass through are known as
transparent objects
opaque objects
translucent objects
half transparent objects
Author: rikazzz Comment
Digestive System
Too much acid in the stomach can cause
infection
burning
fever
ulcer
Author: rikazzz Comment
Investigating Space
The shape of elliptical galaxies is like a
half egg
flattened ball
jellyfish
sea shell
Author: rikazzz Comment
Heat Transfer
At night, sea water gets
warm than land
cool than land
both a and b
very hot
Author: rikazzz Comment

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