Particles
This is the smallest unit of an element
What is an atom?
These are the 3 states of matter
What is solid, liquid and gas?
This is the study of matter and its changes
What is chemistry?
What is matter?
The particle theory has this many main ideas
What is 5?
This gives particles energy to speed up and vibrate faster
What is heat?
Heating particles increases their ______ + _______
What is spaces and speed?
This is a type of matter that contains only 1 kind of particle
What is a pure substance?
When sugar dissolves in tea, the sugar is this:
What is a solute?
This helps to explain what scientists have learned about tiny particles of matter
What is the particle theory?
This type of matter has a definite shape and definite volume
What is a solid?
Uranium, nitrogen, aluminum, hydrogen and magnesium are examples of this...
What are elements?
This can be broken down into pure substances and mixtures
What is matter?
This dissolves something to form a solution
What is a solvent?
1 idea from the particle theory states that particles tend to stay together because they are ______ to each other
What is attracted?
When particles are heated they do this:
What is expand?
2 or more of these, when put together, make a mixture
What is a pure substance?
This state of matter has the fastest moving particles
What is gas?
These observations use precise measurements and numbers
What are Quantitative observations?
This state of matter has very small spaces between the particles
What is solid?
When heated particles are put in cooler temperatures, they contract and ________?
What is shrink
When ice changes from water to steam, this is changing....
What is the state of matter?
Stainless steel and milk are examples of this type of mixture
What is a solution?
What are qualitative observations?
This state of matter has some organization of its particles
What is liquid?