At higher temperatures, particles of reactants have more energy, so they move faster.  On a summer day, a person notes during a science project that the reactants have more energy, so they are now moving faster or slower?
faster
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Increasing air temperature decreases atmospheric pressure.  As the pressure in the atmosphere rises, the air temperature gets warmer or cooler or?
cooler or
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Bigger atoms have more electrons.  Mona is comparing the size of two atoms in her science lab. If she notices that one atom is larger then the other, what does that tell her about the number of electrons it has more or less?
more
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The full box is harder to move because it has greater mass and therefore greater inertia.  Sally is pulling two wagons. The red wagon is full of sand, and the blue wagon is empty. The wagon that will be easier to pull is the red wagon or blue wagon?
blue wagon
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