5.1 Exploring the Nature of Matter Flashcards
All matter is made of extremely tiny __________.
Particles.
Each pure __________ has its own kind of particle.
Substance.
Particles are always ___________.
Moving.
Particles at a higher temperature move ___________.
Faster.
The Particle Theory of Matter is a scientific __________.
Model.
Changes in matter are either __________ or __________.
Chemical or Physical.
In a physical change, now new ___________ is formed. Any new properties are ___________, not chemical. At its fundamental structure, the matter has not changed.
Substance. Physical.
With a __________ change, there is a new substance(s) with new chemical properties. At its most basic fundamental structure, the matter has _________.
Chemical. Changed.
Both chemical and physical changes cannot be reversed.
Any property that can be measured without forming a new substance is a __________ property.
Physical.
Ex. Density, Color, Melting and boiling points.
Any property that describes any kind of chemical reaction is a _________ property.
Chemical.
Ex. Acidity, Reactivity and Flammability.
A __________ physical property is a characteristic that can be described but not measured.
Qualitative.
A __________physical property is a characteristic that can be measured numerically
Quantitative.
Quantitative or Qualitative?
Colour.
Qualitative.
Quantitative or Qualitative?
Conductivity.
Quantitative.
