Matter & Changes of State
The three states of matter
What are solids, liquids, and gases?
The formula for determining density
What is mass / volume?
The subatomic particles that make up the nucleus and their charges
What are protons and neutrons? What are +1 and 0?
Example of surface tension
Answers may vary, some acceptable answers include a paper clip on water or a water bug on water
One example of a chemical change and one example of a physical change.
Answers may vary, chemical change is burning, rotting, etc., physical change is state changes, cutting, breaking, etc.
Matter is made up of _____
What are atoms? or What are molecules?
How to find the volume of an irregularly shaped object
What is putting it in water and seeing the change in water volume?
The subatomic particles that orbit around the nucleus and their charges
What are electrons? What is -1?
The rule of thumb that describes which substances can dissolve in other substances
What is "like dissolves like"?
How raising the temperature and/or adding a catalyst affect a chemical reaction
What is they speed it up?
One example of a conductor, and one example of an insulator
Answers may vary, some acceptable conductors are metals, some acceptable insulators are rubber, plastic, and glass
The density of water
What is 1 gram per cubic centimeter?
The 2 types of bonds that form between atoms
What are covalent and ionic bonds?
The difference between a solute and a solvent
What is the solute dissolves and the solvent does the dissolving?
How acidity or basicity is measured
What is the pH scale?
The state of matter which has a fixed volume but no fixed shape
What is a liquid?
Whether hot or cold water sinks
What is cold water sinks?
What the atomic number of an element tells you
What is the amount of protons that element has?
The part of the water molecule (hydrogens or oxygen) that is slightly negatively charged.
What is the oxygen atom?
Definition of a precipitate
What is a solid formed during a chemical reaction?
The direction in which heat travels
What is from hot to cold?
What is ice is less dense than liquid water?
The similarity between atoms in the same group
What is they all have the same number of valence electrons?
Whether or not both gases and liquids can dissolve in water
What is they both can?
Whether or not it is true that mass is always conserved in a chemical reaction
What is true?