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Heat and Matter
Unit B Physical Science Chapter One
Question | Answer |
---|---|
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. |