Show:
Vocabulary
States of Matter
Changing Phase
Physical and Chemical
Miscellaneous
100
What do we call the smallest particle of an element?
Atom
100
Which kind of matter has a fixed shape and a fixed volume?
Solid
100
What do we call it when a liquid changes from a solid to a liquid?
Melting
100
Which of the following is a CHEMICAL change?
Melting, density, mixing, tarnishing, or boiling?
100
What do we call force exerted over an area?
Pressure
200
What do we call anything that has mass and takes up space?
Matter
200
Which phase of matter has medium attractions between the particles?
liquids
200
What do we call it when a liquid changes to solid?
Freezing
200
Which of the following is NOT a chemical change: Burning, rusting, digestion, or crushing??
Crushing
200
Which of the following is a chemical formula: HCl, hydrochloric acid, density, or bubbles?
HCl
300
What do we call a pure substance that is made of 2 or more elements that have been combined in a chemical reaction?
Compound
300
Which state of matter has a fixed volume, but no fixed shape?
Liquid
300
What do we call it when a gas turns to liquid?
Condensing
300
Name 3 signs a chemical reaction may have taken place.
Color change, smoke, bubbles, heat or cold produced, sound etc.
300
What is the density of a substance with 8g of mass and 4 mL of volume?
2g/mL
400
What do we call the a fluid's resistance to flow?
Viscosity
400
Which phase of matter has the weakest particle attractions?
Gas
400
What do we say a solid has done when it changes directly from solid to gas?
Sublimes
400
What is another word for properties?
Characteristics
400
Name 2 points in Kinetic Theory.
All matter is made of particles. Particles are always moving and fast particles are hot particles. Large particles move more slowly than small ones at the same temperature.
500
What do we call liquids that are able to dissolve or mix in one another?
Miscible
500
Which two states of matter are able to flow?
Liquids and gases
500
The energy that goes into a substance can either change the temperature or can change what? Can it do both at the same time?
Phase of matter. No.
500
What is the only way to discover the chemical properties of a substance?
Perform a chemical reaction
500
Name 2 ways pure substances are different from mixtures
Mixtures are homogenous or heterogenous, can be mixed in any amount, don't require chemical reactions, and are made of pure substances: Pure substances are elements and compounds, have fixed composition, and have fixed proportions, and are created through chemical reactions.