Vocabulary
anything that has mass and takes up space
What is matter?
particles are tightly packed and cannot move around much
What is a solid?
Matter goes through this when it changes the way it looks without becoming a new kind of matter.
What is a physical change?
Solids, liquids, gases, and plasma
What are the states of matter?
a combination of 2 or more substances that can be separated easily
What is a mixture?
particles can move around freely and have no shape
What is gas?
One kind of matter changes into another when this happens.
What is a chemical change?
This is the metric unit of measure for mass.
what is (g)
a characteristic of matter that can be observed or measured without changing the matter itself
What are physical properties
there is space in between the molecules and they can move around; takes the shape of its container
What is a liquid
This happens when we bake cookies.
What is a chemical change?
The conversion from solid to liquid
What is the definition of melting?
a combination of 2 or more substances that cannot be separated
What is a solution?
water at 100 degrees C
What is the boiling point of water?
What is happening whenever an object or substance changes color?
Chemical change
The conversion of liquid to solid
What is the definition of freezing?
describes how much mass is in a given amount of space
What is density?
water at 0 degrees C
What is the freezing point of water?
The conversion of liquid to gas
What is the definition of Evaporation?