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Heat 2 Science

Study Guide

There are three ways in which
There are three ways in which heat moves from place to place. Radiation, Conduction and Convection
Heat is transferred through space in waves Radiation
Heat move through the collisions of particles Conduction
Heated liquids or gases move in currents Convection
The TOTAL energy of all the particles in a substance Thermal
A measure of the average kinetic energy of the particles in an object. Temperature
The water in a bathtub and in a cup is at the same temp. The water in the bath has more because it has more water molecules. Heat
Heat, like work, is measured in units called Joules
Heat moves only from objects to objects. hot to cold
The amount of energy needed to raise the temperature of 1kg of something 1degreeK. Specific heat
Water has a higher specific heat than land. Therefore, will heat up quicker. Land
The handle of a spoon in a bowl of soup becomes warm due to heat transfer by the process of Conduction
Stars transfer heat through this process Radiation
Three best insulators are Vacuum, Paper, Cotton
Three best conductors are Aluminum, Silver, Iron
Fiberglass is a common . Insulator
This is a material that slows the transfer of heat Insulator
Most substances, like liquid in a thermometer acts like this when heated. Expands
There are four states of matter Solid, liquid, gas and plasma
The temperature at which a solid changes into a liquid is called the Melting point
Water boils at this temperature C, F or K 100C, 212F, 373.16K
Water freezes at this temperature C, F or K 0C, 32F, 273.16K
The temperature at which all motion of particles stops is called Absolute Zero
Absolute zero = ________K __________C 0 Kelvin -273 Celcius
Created by: cgerk