What is matter?
anything that takes up space and has mass
How many types of particles do pure substances have?
1
In heterogeneous mixtures, particles are distributed or spread ________________. ( Evenly or Unevenly) Whereas in inhomogeneous mixtures, substances are ____________ distributed. ( Evenly or Unevenly)
Unevenly ; Evenly
The study of matter is called what?
Chemistry
What is abiotic ?
non-living
In which state do the particles have a definite volume but indefinite shape
Liquid
A granola bar, cooking oil with herbs and apple juice are all examples of what?
Mixtures
True or false: heterogenous mixtures can be a mixture of solids, liquids, and/or gases.
True: Mixtures can be any combination of all states of matter: solids, liquids, and gases.
Can particles be of different sizes?
Yes
A group of the same species is called?
A population
Which state of matter has the most amount of space between particles
Gas
How can mixtures be classified? (4 answers)
Heterogeneous/ Mechanical
Homogeneous / Solution
You observe that a sample of clear liquid has evaporated but left a powder-like solid residue in the bottom of the container. how this liquid would most likely be classified
Solution/ Homogenous Mixture
Which of these are NOT a correct part of Particle Theory.
Temperature changes the speed of particles
Particles are ALWAYS moving
Particles have attraction forces
There are no spaces between solid particles
4
Fungus is a type of what ?
Decomposer
What is the fourth state of matter, beyond a gas?
Plasma
Which does not fit Aluminum, Gold, Sugar, Black Pepper, Salt, Diamonds
Black Pepper
What defines a mixture?
A. A mixture can be broken down into its basic substances through physical means.
B. A mixture cannot be broken down into its basic substances through physical means.
C. A mixture is created through a chemical reaction
D. A mixture is described by a chemical formula
A.
What do balloons grow in the heat?
Particles spread further and move faster when heated according to the particle theory
Succession that develops a community in an area after it has been disturbed
Secondary succession
Why can a liquid take the shape of its container but a solid maintains its shape?
Because a liquid has weaker attractive forces between particles than a solid
Another name of a pure substance is?
Element
In homogeneous solutions, separate particles are not visible because one _______ in the other
Dissolves
What primarily distinguishes a solid from a liquid?
The amount of energy
Name two primary ways invasive species are introduced
Boats, humans, wood packaging shipped on boats