Earths system
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
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any property that can be observed using the five senses or can be measured without the matter
Physical Properties
how heavy an object is how much matter something is made of
Weight or mass
a state of matter that maintains its own shape instead of conforming to the shape of its container
Solid
Liquid something that can flow and takes shape of its container like water or juice but has the same amount of space
Liquid
It allows something like heat or electricity to flow or pass through it
Conduct
Energy that moves from something hot to cold a form of energy
Heat
a substance found in nature makes up rocks
Minerals
how easily or difficult it is to scratch a minerals surface
hardness
the color of its powder when you rub it on a hard rough surface like a tile
Streak
the colored powder left behind when a mineral is scraped across a hard surface like a ceramic tile which helps identify the mineral by its streak color
Tile
its what light reflects into our eyes minerals are colored because they absorb some colors and reflect the rest
color
How shiny a rock or mineral looks when light shines on it like a mirror or glassy even dull
Luster
How some minerals break a long smooth flat lines instead of randomly like when you crack an egg
Cleavage
when you try to scratch a rock with different objects
Scratch test
a naturally formed combination of minerals and other natural materials
rocks
A solid naturally formed substance that always has the same computation and the same properties
Minerals
The dirt and stuff that settles to the bottom of liquids or is carried and then deposited by water wind or ice
Sediment
Rock formed from compacted sediment
Sedimentary
Rock formed by magma or lava
Igneous
Rock formed from existing rock heat and pressure cause the minerals to form new combinations or new crystals
metamorphic