The common states of matter on Earth are ________, ________, and _______.
What are solid, liquid and gas?
100
This is a chemical property.
What is a characteristic of matter that can be observed
as it changes to a different type of matter?
100
This is a chemical change.
What is is a change in matter in which the substances
that make up the matter change into other substances that have new physical and chemical properties?
100
These are the coeficients for the following unbalanced equation: _____ H2 + _____ O2 -> _____ H2O
What are 2, 1, 2?
200
Mass is sometimes confused with _________, which is the effect of ____________ on matter.
What are weight and gravity?
200
This is one example of a physical change.
What is dissolving, state change, or any other change where substances stay the same before and after the change?
200
When fruit rots, changes in color and this characteristic show that a chemical change occurred.
What is odor?
200
These are the four main signs that a chemical change has occurred.
What is a change in color, energy, formation of a gas, or odor?
200
These are the coefficients for the following unbalanced chemical equation: _____ S8 + _____ O2 -> _____ SO3
What are 1, 12, 8?
300
Salt and water can be separated because the ________ of salt is so much higher than that of water.
What is the boiling point?
300
This is another phrase for chemical change.
What is a chemical reaction?
300
These are three factors that can speed up a chemical reaction.
What are increasing surface area, increasing temperature, and increasing the concentration of the reactants?
300
Balance the following equation: _____ N2 + _____ O2 -> _____ N2O
What are 2,1,2?
400
In addition to state, these are three other physical properties of matter.
What are melting point, boiling point, mass, volume, density, color, texture, etc?
400
The density of an object can be calculated by doing this.
What is dividing the mass of the object by the volume?
400
This is one chemical property of baking soda shown in our experiment.
What is the ability to react with vinegar?
400
This happens to the particles in matter when temperature is increased.
What is that the particles move faster?
400
Balance the following equation: _____ Fe + _____ O2 -> _____ Fe2O3
What are 4,3,2?
500
A 10 mL sample of mercury has a mass of 134.3g. This is the density of mercury.
What is 13.43 g/mL?
500
This is solubility.
What is the ability to be dissolved?
500
This is the way the nucleus of a carbon atom differs from that of an oxygen atom.
What is that they have a different number of protons?
500
Balance the following equation: _____ P4 + 5_____ O2 -> 2_____ P2O5