Ques: If the gas is heated, the particles will move faster as they gain more energy. Dana wants the gas to move freely, with as much energy as possible so the particles can move quickly. Dana will then do this to the gas cool or heat?
Ans: heat

Ques: Wave frequency can be measured by counting the number of crests or compressions that pass the point in 1 second or other time period. The higher the number is, the greater is the frequency of the wave. Ron watches a wave for 10 seconds and notices 10 crests. He watches another wave for 10 seconds and sees 5 crests. Which wave has a greater frequency 10 crests or 5 crests?
Ans: 10 crests

Ques: In a series circuit, the resistance increases as more resistors are added in series. By removing twenty more resistors from the series circuit in series, the total resistance of the circuit was increased or decreased?
Ans: decreased

Ques: Greater use of oil and other fossil fuels causes more pollution. The oil rigs had an oil spill in the ocean, which caused less or more pollution?
Ans:
more