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Heat and Matter

Unit B Physical Science Chapter One

QuestionAnswer
Within a substance, particles move at different... speeds
On Earth, most thermal energy comes from... the sun
A pan of water is placed on a HOT BURNER of a stove. The HOT BURNER transfers energy to... the particles of metal in the pan
The most commonly used temperature scale in the United States... Fahrenheit
As particles of matter experience more energy, the matter expands
In the 3 states of matter, the order of expansion from greatest to least... gas, liquid, solid
Thermometers use the principles of ___ and ____ . expansion and contraction
Ironing clothes is an example of: conduction, convection, or radiation. conduction (direct contact with heat energy)
The movement of a warm liquid or gas is called... convection
Most of the sun's energy reaching us is absorbed by (2)... atmosphere and the Earth's surface.
Particles in matter move because they have ... energy
The measurement of the average speed of particles that make up any matter is called... temperature
This liquid behaves differently than other liquids when it cools... water
A heavy liquid metal that expands and contracts in a closed glass tube called a thermometer... mercury
A frying pan is an example of a ... conductor
Cold air sinks because the particles...(4) have less energy, are slower moving, take up less space/contract, and are more dense.
A HOT BURNER transfers heat energy to the particles of a metal pan. Next, those particles of the METAL PAN transfer heat energy to... WATER PARTICLES at the bottom of the pan
The first standard scale for measuring temperature was the ___ scale. Fahrenheit
As particles of matter lose energy, the matter will... contract
To keep concrete on long bridges from buckling, there are ... metal joints between concrete sections
Good conductors are mostly... metals
The air trapped in each hair of a polar bear's fur is an example of... insulation
When a pan of water is heated on a stove, what takes place? conduction AND convection
About 5% of solar radiation is... reflected back into space
The TOTAL ENERGY of the particles that make up any matter is called... thermal energy
This shows different ranges of temperatures as different colors... thermogram
Water particles form rings when it cools within this temperature range... 4 degrees to 0 degrees Celsius
The kind of strip in a thermostat made of 2 metals, iron and brass... bimetallic
Clay walls prevent heat from leaving or entering. Clay walls are a good... insulator
Warm air rises because the particles...(4) have more energy, are faster moving, take up more space/expand, and are less dense.
Create a labeled sketch of how the earth is heated. Include examples of... convection, conduction, and radiation.
Created by: fernanm
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