*Question*
Answer the question based on the following text. Question: Katie is looking at particles of reactants, and is noting that they currently are moving very quickly, and that they seem to have a lot of energy. These particles are likely at a temperature that is higher or lower? Text: At higher temperatures, particles of reactants have more energy, so they move faster. They are more likely to bump into one another and to collide with greater force.
**Answer**
higher

*Question*
Answer the question based on the following text. Question: If Todd removes a resistor to the circuit, then the current will be stronger or weaker.? Text: If we increase the resistance in a series circuit, by adding more resistors, then the total current decreases.
**Answer**
stronger

*Question*
Answer the question based on the following text. Question: the pilot was looking at the barometer in his airplane. he saw that with a decrease in height made the density be higher or lower? Text: The density of the atmosphere decreases with an increase in the height above sea level (altitude).
**Answer**
higher

*Question*
Answer the question based on the following text. Question: If Jim increases the strength of an acid he is playing with, the concentration of ions in that acid falls or rises? Text: A stronger acid produces a greater concentration of ions than a weaker acid.
**Answer**
rises