Celsius, Fahrenheit and kelvin are the units to measure ___________
temperature
rain
weather
pressure
Heat energy can be transferred in ________ ways .
2
3
6
4
The Earth gets heated from the sun by _________.
conduction
convection
radiation
All of these
You enjoy a cup of hot tea in winter because
It tastes better in winter
Heat flows from the hot tea to your body making you feel cool
Heat flows from your body to the hot tea making you feel hot
Heat flows from the hot tea to your body making you feel warm.
__________ is a process of transfer of heat in which a material medium is not necessary.
diffussion
Materials expand on heating.This is called _____________.
thermal expansion
thermal pollution
thermal contraction
linear expansion
Substance that sublimes
wax
iron
camphor
coal
The ______ in the capillary tube of thermometer prevents the mercury from coming down.
small bend or kink
number
metal
water
____________ is a good conductor of heat.
wood
plastic
ebonite
copper
Heat is :
a form of energy
a type of matter
sometimes energy and sometimes matter
none of these