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This stack describes the properties of matter.
|What are elements?||Elements are basic kinds of matter.They combine to form other kinds of matter.There are more than 100 elements.|
|What is weight,and how can you measure it?||Weight is a measure of the pull of gravity on an object.Weight changes when the pull of gravity changes.You can measure weight with a spring scale by attaching an object to a spring.Measure how much the spring stretches or tightens.|
|What is mass,and how can you measure it?|
|What is volume,and how can you measure it?|