States
Steam, smoke, and vapor are all examples of a ______.
GAS
SOLID -> LIQUID
LIQUID -> SOLID
Melting
Freezing
Define MATTER.
Anything that takes up space and can be weighed.
What do physical changes depend on?
Physical changes depend on the amount of matter in an object.
Who is Sonic's orange companion?
Tails
Describe the movement of LIQUID particles.
Liquid particles move freely past each other.
LIQUID -> GAS
Vaporization
Define MASS.
The amount of matter in an object.
What do chemical changes do to a substance?
They change the material of the substance.
Who is the character that says "what's up, doc?"
Bugs Bunny
Draw two diagrams: One of SOLID particles and one of LIQUID particles.
SOLID should be tightly packed with a fixed shape. LIQUID should be loosely packed together and take the shape of its container.
GAS -> LIQUID
Condensation
Define VOLUME.
The amount of space taken up by matter.
When a fire burns a piece of wood, the wood will lose some mass. Does the mass disappear into thin air? If not, what does it turn into?
The mass lost by the wood has turned to smoke as a result of the chemical change taking place.
Ribeye and Wagyu are both fancy types of ______.
Steak
Describe the movement of GAS particles.
GAS particles spread to fill all available space.
SOLID -> GAS
Sublimation
Name 5 different properties of matter.
*Answers vary*
100g of mango juice is put in a freezer for a long period. It turns to a solid. What is the mass of the frozen mango juice? Explain why.
The frozen mango juice will maintain its mass of 100g because when matter undergoes a phase change its mass will stay the same.
What animal is the mascot for Tootsie Pops?
Owl
Describe the volume AND shape of all 3 states of matter: SOLID, LIQUID, and GAS.
SOLID: Fixed volume + fixed shape
LIQUID: Fixed volume + NO fixed shape (takes the shape of its container)
GAS: NO fixed volume + NO fixed shape (spreads to fill all available space)
GAS -> SOLID
Name 10 different properties of matter.
Color, shape, size, mass, density, temperature, odor, melting/freezing/boiling point, brittleness, hardness, solubility, electrical conductivity, texture
Why is dissolving salt in water a physical change?
The process can be reversed by evaporating the water so that the salt clumps back together at the bottom of the container.
What year was SBS founded?
1903