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Measurement
3rd grade Science - MACKAY
29
Science
3rd Grade
09/23/2009

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Term
arm span
Definition
The distance from fingertip to fingertip when the arms are outstretched.
Term
balance
Definition
A tool for weighing objects
Term
boiling point
Definition
The temperature at which water forms into vapor
Term
capacity
Definition
The volume of fluid a container can hold when full
Term
centimeter or cm
Definition
One one-hundredth of a meter
Term
comparison
Definition
When you look for similarities or differences between two things
Term
Degrees Celsius (°C)
Definition
The basic unit of temperature in the metric system. Water freezes at 0°C and boils at 100°C.
Term
Distance
Definition
How far it is between two points
Term
Estimate
Definition
An educated guess about a measurement
Term
Freezing point
Definition
The temperature at which water becomes a solid (ice).
Term
Graduated cylinder
Definition
A transparent cylinder marked with evenly spaced lines for determining the volumes of liquids.
Term
gram or g
Definition
The basic unit of mass in the metric system.
Term
height
Definition
The distance on a person from the top of the head to the bottom of the feet
Term
kilograms or kg
Definition
1000 grams, or the mass of 1 liter of water
Term
kilometer or km
Definition
One thousand meters
Term
length
Definition
The distance of something from end to end, usually the longest dimension
Term
liter
Definition
The basic unit of fluid volume in the metric system
Term
mass
Definition
A quantity of matter
Term
matter
Definition
The material that everything in the universe is made of. It can be solid, liquid, or gas
Term
measurement standard
Definition
A unit agreed upon and used by a large number of people.
Term
meter or m
Definition
The basic unit of distance or length in the metric system
Term
metric system
Definition
A system of weights and measures based on multiples of ten
Term
milliliter
Definition
One one-thousandth of a liter; 1000 milliliters equal 1 liter
Term
syringe
Definition
A cylinder and piston system used to draw up, measure, and transfer liquids
Term
temperature
Definition
A measure of how hot or cold something is
Term
thermometer
Definition
A tool used to measure temperature
Term
volume
Definition
Three-dimensional space
Term
to weigh
Definition
To find the mass of. You weigh an object to find its mass
Term
width
Definition
The distance from side to side, a dimension shorter than the length
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