1
What is the smallest unit of matter?
A particle
___ ______ is the basic
building block of all matter.
An atom
Which state of matter has particles that vibrate in a fixed position?
Solids
Food coloring diffuses slower in _________water.
cold
The particles in a solid have ___ energy than particles in a liquid.
less
Why is an inflated balloon heavier than a balloon that i is not?
It contains matter (gas).
A __________ is made of two or more atoms
connected or bonded together.
molecule
Which state of matter has weak or no attraction between the molecules?
Gas
used to model particle movement in still image
motion lines
The particles in a gas have ___ energy than particles in a liquid.
more
Particles constantly bump into each other in ______________ motion.
Random
Heating a gas easily increases the
_______ of the gas particles.
motion
energy
spacing
True or False: The volume of solids cannot be changed due to the strong attraction of the particles.
True
A basket ball deflates in the cold because particles of matter.....
move closer together and take up less space
The particles in an object have some attraction between each other and move by sliding around each other. The particles belong to a __________.
liquid
List the three common states of matter in order of molecular movement, from fastest to slowest.
Gas, liquid, solid
_____________can affect how far apart or close together the molecules in a substance are.
Temperature
True
The space occupied by a solid, liquid or gas is called ________.
volume
Kelvin scale was developed to predict at what temperature particles would stop motion know as _____________________.
Absolute zero at 0K
What is diffusion?
the movement of particles from an area of higher concentration to an area of lower concentration
motion energy is know as _____________ energy.
kinetic
What determines whether a substance is a solid, liquid, or gas?
The arrangement of its particles.
How can we let the ball fit in the ring if they're not fitting?
Heating the ring or cooling the ball (soak it in liquid nitrogen)
100C is __________________ 0F
42