Chapter 6 Vocabulary Flashcards
1
Q
Chemical change
A
change in chemical identity of a substance.
2
Q
Gas
A
matter having no definitive shape and no definitive volume
3
Q
Liquid
A
matter having a definite volume but not definite shape. A fluid.
4
Q
Matter
A
any substance or object that has a mass and takes up space.
5
Q
Particle model
A
the idea stating that all matter is made of tiny particles which are in constant motion.
6
Q
Physical change
A
a change in a substance’s physical properties but not in its chemical identity.
7
Q
Plasma
A
the fourth phase of matter having unique properties and formed at very high temperatures.
8
Q
Solid
A
matter having a definite shape and a definite volume.
