The particle theory of matter states that —
A all matter is made of tiny particles that do not move
B all matter is made of one type of particle that does not move
C all matter is made of one type of particle that constantly moves
D all matter is made of tiny particles that are in constant motion
all matter is made of tiny particles that are in constant motion
H20 is a -
A. Element
B. Mixture
C. Compound
D. Nothing
Compound
List the 6 physical properties from our notebook
Color, shape, density, odor, melting point, solubility
The four states of matter.......
solid, liquid, gas, plasma
The three forms of heat transfer
conduction, convection, radiation
Matter is anything that...
You can see
Has mass
Has mass and takes up space
Has energy
Has mass and takes up space
The two types of mixtures
homogenous and heterogenous
The ability of a substance to dissolve in a liquid
solubility
An electrically charged state of matter
plasma
What causes matter to change states?
increase or decrease in energy
The amount of space that an object occupies
a. mass
b. weight
c. volume
d. density
volume
What is the purest form of matter
element
the degree of compactness of a substance
Density
Describe the particle motion as an ice cube melts
The particles begin to speed up as the temperature increases
The force of attraction is greatest between the particles of a
solid
Which of the physical states of water contains particles with the lowest kinetic energy?
Ice
Hardness, temperature, color, size, and smoothness are all
physical properties of matter
The melting point in degrees Celsius
0 degrees
Has no definite shape and no definite volume
A gas
You are interested in how stress affects heart rate in humans
What is the independent and dependent variable
IV = stress
DV = heart rate
Temperature is the average...
energy of the particles of a substance
kinetic energy of the particles of a substance
static energy of the particles of a substance
kinetic energy of the particles of a substance
Type of mixture that has the SAME COMPOSITION in every part.
Homogenous mixture
The point at which a liquid becomes a solid is called the point.
freezing point
What happens to temperature during phase changes
the temperature stays the same
Mr. Grow runs 100 meters in 35 seconds. What is his speed? S=D/T
2.86 m/s