Slow vibrating atoms and molecules with fixed volume and shape.
What is a Solid?
A change of state from solid to liquid.
What is Melting?
A chemical reaction resulting in the release of energy (heat).
What is Exothermic?
A change in a substance that can be reversed.
What is a Physical Change?
True or False. Sand and table sugar are two examples of liquids.
What is False?
Atoms and molecules are loose enough to slide past each other; volume is fixed but shape is not.
What is a Liquid?
A change in state from liquid to gas.
What is Vaporization?
Freezing is an example of this type of chemical reaction.
What is Exothermic?
A change in a substance that creates a new substance.
What is a Chemical Change?
Chemical Formula for Glucose (plant sugar).
What is C6H12O6 ?
Atoms and Molecules are fast moving and rarely touch each other; volume and shape can change depending on container.
What is a Gas?
A change in state from gas to liquid.
What is Condensation?
Chemical reaction requiring the absorption of energy (heat).
What in Endothermic?
Three observable characteristics of Chemical Reactions.
What are sounds, bubbles, heat, light, and/or smells.
Chemical bond resulting from the SHARING of electrons.
What is a Covalent Bond?
Atoms and Molecules are super-charged and pure energy; no constant shape or volume.
What is a Plasma?
A change in state from a solid to a gas.
What is Sublimation?
Sublimation is an example of this type of chemical reaction.
What is Endothermic?
In a chemical reaction, a(n) ______________ is any substance that initiates (starts) the reaction.
What is a Catalyst?
A liquid MIXTURE where the particles do not bond to liquid.
What is a Suspension?
This Hybrid state of matter consists of substances that have the characteristics of both liquids and solids.
What is a Collide?
A change in state from a gas to a solid.
What is Deposition?
Liquids with lower amounts of energy will pour more slowly, meaning have a Higher or Lower _________.
What is a Higher Viscosity?
The term used to describe substances that will not interact with nor bond to water.
What is Hydrophobic?
___________ are made from connected __________ that are held together by ______________.
What are Atoms, . . . Molecules . . . Bonds?