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Science Vocabulary

Across
How a crystal breaks when subject to stress on a particular plane; retains a smooth plane or crystal shape
The variable whose value we know before we start an experiment
A well-tested scientific concept that explains a wide range of observations
An element that can be classified based on physical properties of hardness, luster, ease of malleability, conductivity, and ductility
A change that effects one or more physical properties of the object but does NOT change the identity
Fire extinguisher, fire blanket, and eye-wash station
The ability to be pulled into thin wires
Anything that has mass and takes up space
An element that has both metallic and nonmetallic properties
Matter that allows electricity to flow through it
How well a substance will resist scratching by another substance; 1 being the softest to 10 being the hardest
The way matter reflects light from its surface, matter that reflects a large amount of light is shiny, and matter that reflects little light from it surface is dull
Properties that can be seen without changing the object, using your senses
The color of a crushed mineral powder
Down
Production of a gas, change in temperature, production of a solid precipitate, or change in color
The ability/inability to react with air, water, etc.
Matter does not allow electricity to pass through easily
An element that lacks most of the physical properties of metals
A variable that changes depending on some other factor; the variable we are trying to find out
A change in which a new substance with different properties is formed/created
A naturally occurring solid, made up of elements
The ability/inability to burn
A pure substance that is composed of the same type of matter throughout and cannot be divided into simpler substances through normal processes
A description of the way a mineral tends to break; retains an irregular, jagged, or splintery shape
The ability to be pounded into thin sheets
The ability to be shattered and broken into pieces when pounded
Is the most obvious but least dependable property of minerals