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| The smallest particle of an element. Atoms are the building blocks of matter. |
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| span: The distance from fingertip to fingertip when the arms are outstretched. |
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| A tool for weighing objects. |
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| point: The temperature at which water forms into vapor. |
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| The volume of fluid a container can hold when full. |
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| [cm]: One one-hundredth of a meter. |
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| When you look for similarities or differences between two things. |
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| Celsius [°C]: The basic unit of temperature in the metric system. Water freezes at 0°C and boils at 100°C. |
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| How far it is between two points. |
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| A simple chemical substance that is made of only one type of atom. |
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| An educated guess about a measurement. |
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| point: The temperature at which water becomes a solid [ice]. |
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| The pivot point on which the balance beam rests. |
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| cylinder: A transparent cylinder marked with evenly spaced lines for determining the volumes of liquids. |
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| [g]: The basic unit of mass in the metric system. |
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| The distance on a person from the top of the head to the bottom of the feet. |
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| [kg]: 1000 grams, or the mass of 1 liter of water. |
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| [km]: One thousand meters. |
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| The distance of something from end to end, usually the longest dimension. |
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| [L]: The basic unit of fluid volume in the metric system. |
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| The material that everything in the universe is made of. It can be solid, liquid, or gas. |
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| standard: A unit agreed upon and used by a large number of people. |
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| [m]: The basic unit of distance or length in the metric system. |
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| system: A system of weights and measures based on multiples of ten. |
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| [mL]: One one-thousandth of a liter; 1000 milliliters equal 1 liter. |
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Definition
| Something divided into regular spaces as a tool for measuring. |
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| measurements: Units agreed upon and used by a large number of people. |
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| A cylinder and piston system used to draw up, measure, and transfer liquids. |
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| A measure of how hot or cold something is. |
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Definition
| A tool used to measure temperature. |
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| To find the mass of. You weigh an object to find its mass. |
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