Changing State
You get an ice cold, refreshing popsicle out of the freezer. Soon, your hand is wet from holding the stick. What is happening?
Melting
A substance has indefinite shape, and definite volume. It is a
Liquid
What type of wood is commonly used for Axe Throwing?
Pine / Cottonwood
What is matter?
Stuff that has mass and takes up space.
What are the parts of an atom? (4)
Nucleus, Neutron, Proton, Electron
The window begins dripping, even though it's not raining. What is happening?
Condensation
A substance has definite shape, and indefinite volume. It is
solid
A group of lions is called a "pride." A group of gorillas is called a "troop." A group of giraffes?
A tower
What do you think a jellyfish would be? Solid or Liquid?
Solid - 5% is solid. 95% is liquid. So it does have definite shape and definite volume, just loosely.
Give an example of a Physical Change
Crushing a can, melting ice, e.g.
Mr. Brown cries uncontrollably outside, forming a puddle on the pavement. In a few minutes, the puddle is gone. What is happening?
Evaporation
DAILY DOUBLE!!!
A substance has indefinite shape, and indefinite volume. It could either be a ________ or a _________
Gas or Plasma
How much does it cost to make one penny?
2.1 cents
What state of matter must be cooled to ~Absolute Zero to achieve?
Bose-Einstein Condensate
What are two physical properties?
Color, density, size, shape
Sometimes, if it is cold enough, snow will form directly from gases in the sky, skipping the liquid phase altogether. What is happening?
What is the fourth state of matter? Give a brief explanation.
Plasma. Superheated gas. Charged.
What is Mr. Brown's favorite color?
Dark Green (will accept Green)
DAILY DOUBLE!!
A substance has indefinite volume. It could be
Liquid, gas, or plasma
Give an example of a Chemical Change
Burning, rusting, e.g.
Dry Ice, when it melts, converts directly from solid to gas. What is happening?
Sublimation
What is the 5th State of Matter? Give a brief explanation.
Bose-Einstein Condensate. Supercooled Solid.
What is coulrophobia?
Fear of clowns
A torch produces light. A fire produces heat. A siren produces sound. Are light, heat, and sound matter?
No. Nonmatter.
What is absolute zero?
The coolness at which energy stops