12/10/2024 Science Test Flashcards
(21 cards)
Define Homogeneous
Homogeneous is even distributed atoms through a mixture (NOT a pure substance)
What is an Element?
A pure substance made up of one type of atom
What is a compound?
A pure substance made up of MORE than one type of atom
What are 2 types of pure substances?
Elements and Compounds
What type of method separates mixtures?
Physical methods
What type of method separates compounds?
Chemical methods
Give some examples of a physical change
- Melting
- Freezing
- Evaporating
- Boiling
- (Anything that doesn’t change the atoms itself)
Define Heterogenious
NOT EVEN DISTRIBUATION (PASTA SALAD)
Is fire an element?
Hell naw
Is tin an element
Hell yaw
Is bronze an element?
Hell naw
What is deposition?
When a substance goes straight gas to ice skipping the liquid state
What is sublimation?
Sublimation is when a solid skips the liquid faze and goes straight to the gas faze
What does it mean if the graph is increasing?
It’s heating
What does it mean if the graph is decreasing?
It’s cooling
What does it mean if the graph is neither increasing or decreasing?
Potential energy is increasing
What are the 2 Types of mixtures called?
Homogeneous and Heterogeneous
Define matter
Anything that takes up space and has mass
What is a Pure substance
Something made up of one type of particle
What is a mixture?
a material made up of two or more different chemical substances which can be separated by physical method
What are the 2 categories of Mater
substances and mixtures
