Pure Substances and Mixtures
Define a pure substance.
Contains one kind of particle.
What are the three states of matter?
Solid, liquid, and gas.
Pure substance.
What is a particle?
A very, very small piece of matter.
Define a mixture.
Contains more than one kind of particle.
Define what matter is.
Anything that has volume and takes up space.
What is ketchup?
A mixture.
What happens to particles when they are heated?
Particles move faster and spread further apart.
what is false.
What is a particle?
A very, very small portion of matter.
What is Carbon Dioxide CO2?
In the three states of matter, what exists between particles?
Empty space.
Name two pure substances that make up a chocolate chip cookie.
Baking soda, salt, sugar.
Name the state of matter that has a definite volume but no definite shape.
Liquid
What is Gold?
Pure substance.
True or false: All particles in a pure substance are different.
False.
What is rust considered?
A pure substance.
What is the fourth state of matter?
Plasma. (learning moment: lightning, plasma tv)
What is the air found in the atmosphere?
A mixture.
Rank the following states of matter from fastest to slowest regarding particle movement.
Gas, liquid, solid.