Physical Properties
What happens to molecules when they are heated?
They move faster!
Density equals?
Mass divided by Volume
Describe the molecules of a solid?
What would you measure mass with?
A balance
What does mass measure?
What is the most common solvent on Earth?
Water
Describe the molecules of a liquid.
Free Flowing - Still touch - Take the shape of their container
What is the most common solvent on Earth?
Water
What is the most important component to measuring weight?
Gravity!
What is a solute?
What state of matter can have infinite expansion?
Gas
What is an example of a pure substance?
Hydrogen - Oxygen - Silver - Gold -- any element
What may cause a phase change to occur?
Temperature Change
What is an element?
Basic Building Blocks of Matter
What state of matter has the lowest density?
Gas
What would you measure weight with?
Spring Scales