States of Matter 1
What are the 3 most common states of matter on Earth?
Solid, Liquid, Gas
What is a barometer?
What is an instrument used to measure atmospheric pressure.
How can matter be measured?
Mass or volume
What are 3 ways matter can be described visually?
Color, size, shape
What are the 2 things about particles that are used to determine a substance's state of matter?
Particle motion
Particle forces
There is a force of attraction between positively charged ______ and negatively charged ______.
Protons
Electrons
When particles move slower, they move closer together, and the attractive forces between them are _______.
Strong
When particles move faster, they move farther apart, and the forces between them are ________.
weaker
Solids have a definite ______ and definite ______.
Shape
Volume
Which state of matter has no definite shape and no definite volume?
Gas
Why do gas particles spread out to fill their containers?
There is a great distance between particles and the attractive forces are weak.
They type of solid depends on ________.
how the particles are arranged
What happens to atmospheric pressure if water boils at 97 degrees Celsius?
ATM Pressure goes down
If particles are randomly arranged, what is the type of solid?
Amorphous
Which are the three standard constants to describe STP?
What is 101.3 kPa, 1atm, and 760mmHg
What state of matter has a definite volume, but no definite shape?
Liquid
If particles are arranged in a specific, repeating order, what type of solid is it?
Crystalline
The attraction between molecules that are alike, such as water molecules, is called ________.
cohesion
The attractive forces between the particles in a liquid are _______ than they are in a solid.
weaker
What is the gas state of a substance that is usually a solid or a liquid at room temperature called?
A vapor
The scale used to measure a particles Kinetic energy?
What type of energy is due to its motion?
Kinetic
How do particles in a liquid state move compared to particles in a solid state?
They move faster or flow.
Which state of matter has the least amount of kinetic energy?
Solid
Describe the forces of energy on a gas.
What is perfectly elastic.