VOCABULARY
Anything that has mass and takes up space.
What is matter?
A measure of how well electric current can move through a substance.
What is electrical conductivity (or conductivity)?
A substance that has a definite shape and a definite volume. It's particles are only vibrating.
What is a solid?
When one or more substance change into entirely new substances with different properties.
What is a chemical change?
Unit that mass is usually measured with.
What is grams (or kilograms)?
A measure of the amount of matter in an object.
What is mass?
The temperature at which a solid turns into a liquid.
What is melting point?
A substance that has no definite shape. It expands to fill whatever container it's in. The particles flow freely.
What is a gas?
A change that affects one or more physical properties of a substance.
What is a physical change?
Unit that volume is usually measured with.
What is cm3 or mL?
A measure of the amount of mass within a given volume.
What is density?
We attempt to burn gold in a fire, but it doesn't burn. This demonstrates a chemical property of gold.
What is non-flammability?
An ice cube melts
Liquid water evaporates
Liquid water freezes
What are changes of state?
Dissolving sugar in water is an example of this type of change.
What is a physical change?
The regular unit of measurement for density.
What is g/cm3 or g/mL?
A measure of the amount of space an object takes up.
What is volume?
Ability of a substance to dissolve in another substance.
What is solubility?
The motion change of particles in a substance as it is being heated.
What is moving faster?
Milk that smells really sour and looks chunky is an example of this type of change.
What is a chemical change?
A pure substance that has only one kind of atom in it.
What is an element?
A substance's ability to change into a new substance with different properties.
What is a chemical property?
The ability of a substance to be rolled and pounded into various shapes.
What is malleability?
The temperature change of a substance DURING a change of state process.
What is no change?
Remember, as a substance is changing state, the temperature remains constant until the change is complete.
A candle burning is an example of this type of change.
What is a chemical and a physical change?
(Must say both!)
A mixture that has parts that are not uniform (you can see them).
What is a heterogeneous mixture?