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42 Cards in this Set
- Front
- Back
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Conductors |
Materials that transfer heat easily |
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Insulators |
Materials that do not transfer heat easily |
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Radiation |
The transfer of heat by wave energy |
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Convection |
The transfer of thermal energy by particles of a liquid gas moving from one place to another |
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Conduction |
Occurs between two objects that are touching |
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Temperature |
Measure of how hot or cold something is |
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How is temperature measured? |
Celsius/Fahrenheit |
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Heat |
The transfer of thermal energy from one piece of matter to another |
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Compound machine |
A machine that is made of more than one simple machine. |
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Six simple machines are |
Pulley, lever, inclined plane, wedge, wheel and axle, and screw |
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Simple machine |
A object with few moving parts that is used for work |
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Friction |
A force that resists motion between two things that rub together |
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Gravity |
Force that pulls objects toward each other |
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Effort |
The force that is used to do work |
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Work |
Applying a force to move an object through a distance |
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Resistance |
The object moved by an effort |
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Force |
Push or pull that causes something |
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Chemical change |
A change that forms different kinds of matter |
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Physical change |
Changes in the size, shape, or state of matter |
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Gas |
No definite shape
Particles are farther apart
Bump into each other |
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Solid |
Takes the shape of the container
Particles move and slide |
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Physical property |
A property of matter that's can be observed or measured |
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Matter |
Anything that takes up space and has mass |
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Volume |
The loudness or softness of a sound |
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Frequency |
Number of vibrations a sound source makes each second |
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Pitch |
Highness or lowness of a sound |
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Sound wave |
Wave that transfers sound through matter |
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All sounds begin with a |
Vibration |
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This blocks light completely |
Opaque materials |
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Translucent |
Letting only some light through so objects appear blurry |
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Transparent |
Letting all light through an object so other side can be clear |
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Reflection |
When a light Ray hits a surface and bounces off |
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Refraction |
The bending of light as it passes from one material to another |
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Convex lens |
This lens bulges out
Lens curves inward |
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Light |
Form of energy we detect with our eyes |
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Three basic parts for a simple circuit |
Power source
Load
Connectors |
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Electrical circuit |
The path along which electrical current flows |
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What temp does water freeze at ? |
32 F |
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What temp does water boil at? |
212 F |
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Kinetic energy |
Energy of motion |
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Potential energy |
Energy of position or stored energy |
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Energy |
Ability to cause change |
