As the flames heat the gases in the
balloon, the volume of the gases increases.
at constant pressure, the volume of all gases.
increases with increasing temperature. is this
statement a scientific theory or law? explain.

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?

Acapacitor is storing energy of 3 joules with a voltage of 50 volts across its terminals. a second identical capacitor of the same value is storing energy of 1 joule. what is the voltage across the terminals of the second capacitor?

Photons with the highest energy have the longest period