*Question*
Use information from the paragraph to answer the question. Paragraph : At higher temperatures, particles of reactants have more energy, so they move faster. Question: Tom lowered the temperature of a reactant in a lab. The particles in the reactant now have less or more energy?
**Answer**
less

*Question*
Use information from the paragraph to answer the question. Paragraph : This is also called diffusion, and the process is much faster in gases than in liquids, because the particles in gases are further apart. Question: Kate is going to diffuse a liquid and a gas. The gas is diffused first, because the particles with it are closer together or further apart?
**Answer**
further apart

*Question*
Use information from the paragraph to answer the question. Paragraph : More recently, the death rate has fallen because of the availability of more food and medical advances. Question: When the villagers are living longer, the food source is likely great or small?
**Answer**
great

*Question*
Use information from the paragraph to answer the question. Paragraph : At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react. Question: If Mona is filling a balloon with helium and she adds more gas to it, what happens to the likelihood that the helium particles will collide with each other more likely or less likely?
**Answer**
more likely